Home / 116,558.92-160,903.38-89,691.40

Finding the Fourth Proportional to 116,558.92, 160,903.38 and 89,691.40

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Solution

The fourth proportional to 116,558.92, 160,903.38 and 89,691.40 is: 123,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,558.92 : 160,903.38 = 89,691.40 : x
  2. Step 2: Convert to fraction form
    116,558.92/160,903.38 = 89,691.40/x
  3. Step 3: Cross multiply
    116,558.92x = 160,903.38 × 89,691.40
  4. Step 4: Simplify right side
    116,558.92x = 14,431,649,416.93
  5. Step 5: Solve for x
    x = 14,431,649,416.93/116,558.92
  6. Step 6: Final answer
    x = 123,814.20

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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.