Home / 136,037.97-187,845.72-113,495.13

Finding the Fourth Proportional to 136,037.97, 187,845.72 and 113,495.13

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Solution

The fourth proportional to 136,037.97, 187,845.72 and 113,495.13 is: 156,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.97 : 187,845.72 = 113,495.13 : x
  2. Step 2: Convert to fraction form
    136,037.97/187,845.72 = 113,495.13/x
  3. Step 3: Cross multiply
    136,037.97x = 187,845.72 × 113,495.13
  4. Step 4: Simplify right side
    136,037.97x = 21,319,574,411.34
  5. Step 5: Solve for x
    x = 21,319,574,411.34/136,037.97
  6. Step 6: Final answer
    x = 156,717.82

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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.