Home / 113,686.68-156,898.71-84,956.46

Finding the Fourth Proportional to 113,686.68, 156,898.71 and 84,956.46

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Solution

The fourth proportional to 113,686.68, 156,898.71 and 84,956.46 is: 117,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,686.68 : 156,898.71 = 84,956.46 : x
  2. Step 2: Convert to fraction form
    113,686.68/156,898.71 = 84,956.46/x
  3. Step 3: Cross multiply
    113,686.68x = 156,898.71 × 84,956.46
  4. Step 4: Simplify right side
    113,686.68x = 13,329,558,391.80
  5. Step 5: Solve for x
    x = 13,329,558,391.80/113,686.68
  6. Step 6: Final answer
    x = 117,248.19

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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.