Home / 159,725.64-220,411.17-88,106.16

Finding the Fourth Proportional to 159,725.64, 220,411.17 and 88,106.16

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Solution

The fourth proportional to 159,725.64, 220,411.17 and 88,106.16 is: 121,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,725.64 : 220,411.17 = 88,106.16 : x
  2. Step 2: Convert to fraction form
    159,725.64/220,411.17 = 88,106.16/x
  3. Step 3: Cross multiply
    159,725.64x = 220,411.17 × 88,106.16
  4. Step 4: Simplify right side
    159,725.64x = 19,419,581,809.81
  5. Step 5: Solve for x
    x = 19,419,581,809.81/159,725.64
  6. Step 6: Final answer
    x = 121,580.87

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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.