Home / 284,776.18-392,956.77-157,434.46

Finding the Fourth Proportional to 284,776.18, 392,956.77 and 157,434.46

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Solution

The fourth proportional to 284,776.18, 392,956.77 and 157,434.46 is: 217,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,776.18 : 392,956.77 = 157,434.46 : x
  2. Step 2: Convert to fraction form
    284,776.18/392,956.77 = 157,434.46/x
  3. Step 3: Cross multiply
    284,776.18x = 392,956.77 × 157,434.46
  4. Step 4: Simplify right side
    284,776.18x = 61,864,936,888.29
  5. Step 5: Solve for x
    x = 61,864,936,888.29/284,776.18
  6. Step 6: Final answer
    x = 217,240.56

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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.