Home / 109,889.28-151,646.40-59,587.92

Finding the Fourth Proportional to 109,889.28, 151,646.40 and 59,587.92

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Solution

The fourth proportional to 109,889.28, 151,646.40 and 59,587.92 is: 82,230.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,889.28 : 151,646.40 = 59,587.92 : x
  2. Step 2: Convert to fraction form
    109,889.28/151,646.40 = 59,587.92/x
  3. Step 3: Cross multiply
    109,889.28x = 151,646.40 × 59,587.92
  4. Step 4: Simplify right side
    109,889.28x = 9,036,293,551.49
  5. Step 5: Solve for x
    x = 9,036,293,551.49/109,889.28
  6. Step 6: Final answer
    x = 82,230.89

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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.