Home / 112,726.10-155,861.10-98,538.24

Finding the Fourth Proportional to 112,726.10, 155,861.10 and 98,538.24

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Solution

The fourth proportional to 112,726.10, 155,861.10 and 98,538.24 is: 136,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,726.10 : 155,861.10 = 98,538.24 : x
  2. Step 2: Convert to fraction form
    112,726.10/155,861.10 = 98,538.24/x
  3. Step 3: Cross multiply
    112,726.10x = 155,861.10 × 98,538.24
  4. Step 4: Simplify right side
    112,726.10x = 15,358,279,062.94
  5. Step 5: Solve for x
    x = 15,358,279,062.94/112,726.10
  6. Step 6: Final answer
    x = 136,244.21

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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.