Home / 177,861.16-266,792.16-72,680.12

Finding the Fourth Proportional to 177,861.16, 266,792.16 and 72,680.12

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Solution

The fourth proportional to 177,861.16, 266,792.16 and 72,680.12 is: 109,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,861.16 : 266,792.16 = 72,680.12 : x
  2. Step 2: Convert to fraction form
    177,861.16/266,792.16 = 72,680.12/x
  3. Step 3: Cross multiply
    177,861.16x = 266,792.16 × 72,680.12
  4. Step 4: Simplify right side
    177,861.16x = 19,390,486,203.86
  5. Step 5: Solve for x
    x = 19,390,486,203.86/177,861.16
  6. Step 6: Final answer
    x = 109,020.35

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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.