Home / 112,687.26-169,057.56-36,785.40

Finding the Fourth Proportional to 112,687.26, 169,057.56 and 36,785.40

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Solution

The fourth proportional to 112,687.26, 169,057.56 and 36,785.40 is: 55,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,687.26 : 169,057.56 = 36,785.40 : x
  2. Step 2: Convert to fraction form
    112,687.26/169,057.56 = 36,785.40/x
  3. Step 3: Cross multiply
    112,687.26x = 169,057.56 × 36,785.40
  4. Step 4: Simplify right side
    112,687.26x = 6,218,849,967.62
  5. Step 5: Solve for x
    x = 6,218,849,967.62/112,687.26
  6. Step 6: Final answer
    x = 55,186.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.