Home / 160,083.24-220,915.56-87,487.62

Finding the Fourth Proportional to 160,083.24, 220,915.56 and 87,487.62

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Solution

The fourth proportional to 160,083.24, 220,915.56 and 87,487.62 is: 120,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,083.24 : 220,915.56 = 87,487.62 : x
  2. Step 2: Convert to fraction form
    160,083.24/220,915.56 = 87,487.62/x
  3. Step 3: Cross multiply
    160,083.24x = 220,915.56 × 87,487.62
  4. Step 4: Simplify right side
    160,083.24x = 19,327,376,565.37
  5. Step 5: Solve for x
    x = 19,327,376,565.37/160,083.24
  6. Step 6: Final answer
    x = 120,733.29

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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.