Home / 116,253.42-160,434.99-68,508.78

Finding the Fourth Proportional to 116,253.42, 160,434.99 and 68,508.78

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Solution

The fourth proportional to 116,253.42, 160,434.99 and 68,508.78 is: 94,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,253.42 : 160,434.99 = 68,508.78 : x
  2. Step 2: Convert to fraction form
    116,253.42/160,434.99 = 68,508.78/x
  3. Step 3: Cross multiply
    116,253.42x = 160,434.99 × 68,508.78
  4. Step 4: Simplify right side
    116,253.42x = 10,991,205,434.21
  5. Step 5: Solve for x
    x = 10,991,205,434.21/116,253.42
  6. Step 6: Final answer
    x = 94,545.22

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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.