Home / 314,869.20-472,303.80-181,680.90

Finding the Fourth Proportional to 314,869.20, 472,303.80 and 181,680.90

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Solution

The fourth proportional to 314,869.20, 472,303.80 and 181,680.90 is: 272,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,869.20 : 472,303.80 = 181,680.90 : x
  2. Step 2: Convert to fraction form
    314,869.20/472,303.80 = 181,680.90/x
  3. Step 3: Cross multiply
    314,869.20x = 472,303.80 × 181,680.90
  4. Step 4: Simplify right side
    314,869.20x = 85,808,579,457.42
  5. Step 5: Solve for x
    x = 85,808,579,457.42/314,869.20
  6. Step 6: Final answer
    x = 272,521.35

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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.