Home / 277,294.91-382,665.86-156,436.20

Finding the Fourth Proportional to 277,294.91, 382,665.86 and 156,436.20

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Solution

The fourth proportional to 277,294.91, 382,665.86 and 156,436.20 is: 215,881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,294.91 : 382,665.86 = 156,436.20 : x
  2. Step 2: Convert to fraction form
    277,294.91/382,665.86 = 156,436.20/x
  3. Step 3: Cross multiply
    277,294.91x = 382,665.86 × 156,436.20
  4. Step 4: Simplify right side
    277,294.91x = 59,862,793,008.13
  5. Step 5: Solve for x
    x = 59,862,793,008.13/277,294.91
  6. Step 6: Final answer
    x = 215,881.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.