Home / 109,636.40-151,298.24-59,335.40

Finding the Fourth Proportional to 109,636.40, 151,298.24 and 59,335.40

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Solution

The fourth proportional to 109,636.40, 151,298.24 and 59,335.40 is: 81,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,636.40 : 151,298.24 = 59,335.40 : x
  2. Step 2: Convert to fraction form
    109,636.40/151,298.24 = 59,335.40/x
  3. Step 3: Cross multiply
    109,636.40x = 151,298.24 × 59,335.40
  4. Step 4: Simplify right side
    109,636.40x = 8,977,341,589.70
  5. Step 5: Solve for x
    x = 8,977,341,589.70/109,636.40
  6. Step 6: Final answer
    x = 81,882.86

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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.