Home / 160,302.43-221,221.25-88,683.85

Finding the Fourth Proportional to 160,302.43, 221,221.25 and 88,683.85

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Solution

The fourth proportional to 160,302.43, 221,221.25 and 88,683.85 is: 122,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,302.43 : 221,221.25 = 88,683.85 : x
  2. Step 2: Convert to fraction form
    160,302.43/221,221.25 = 88,683.85/x
  3. Step 3: Cross multiply
    160,302.43x = 221,221.25 × 88,683.85
  4. Step 4: Simplify right side
    160,302.43x = 19,618,752,151.81
  5. Step 5: Solve for x
    x = 19,618,752,151.81/160,302.43
  6. Step 6: Final answer
    x = 122,385.87

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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.