Home / 314,811.70-472,217.55-181,623.40

Finding the Fourth Proportional to 314,811.70, 472,217.55 and 181,623.40

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Solution

The fourth proportional to 314,811.70, 472,217.55 and 181,623.40 is: 272,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,811.70 : 472,217.55 = 181,623.40 : x
  2. Step 2: Convert to fraction form
    314,811.70/472,217.55 = 181,623.40/x
  3. Step 3: Cross multiply
    314,811.70x = 472,217.55 × 181,623.40
  4. Step 4: Simplify right side
    314,811.70x = 85,765,756,970.67
  5. Step 5: Solve for x
    x = 85,765,756,970.67/314,811.70
  6. Step 6: Final answer
    x = 272,435.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.