Home / 354,617.80-531,926.70-177,152.20

Finding the Fourth Proportional to 354,617.80, 531,926.70 and 177,152.20

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Solution

The fourth proportional to 354,617.80, 531,926.70 and 177,152.20 is: 265,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,617.80 : 531,926.70 = 177,152.20 : x
  2. Step 2: Convert to fraction form
    354,617.80/531,926.70 = 177,152.20/x
  3. Step 3: Cross multiply
    354,617.80x = 531,926.70 × 177,152.20
  4. Step 4: Simplify right side
    354,617.80x = 94,231,985,143.74
  5. Step 5: Solve for x
    x = 94,231,985,143.74/354,617.80
  6. Step 6: Final answer
    x = 265,728.30

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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.