Home / 160,123.55-220,971.38-87,526.55

Finding the Fourth Proportional to 160,123.55, 220,971.38 and 87,526.55

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Solution

The fourth proportional to 160,123.55, 220,971.38 and 87,526.55 is: 120,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,123.55 : 220,971.38 = 87,526.55 : x
  2. Step 2: Convert to fraction form
    160,123.55/220,971.38 = 87,526.55/x
  3. Step 3: Cross multiply
    160,123.55x = 220,971.38 × 87,526.55
  4. Step 4: Simplify right side
    160,123.55x = 19,340,862,654.93
  5. Step 5: Solve for x
    x = 19,340,862,654.93/160,123.55
  6. Step 6: Final answer
    x = 120,787.13

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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.