Home / 109,526.42-151,140.17-61,776.92

Finding the Fourth Proportional to 109,526.42, 151,140.17 and 61,776.92

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Solution

The fourth proportional to 109,526.42, 151,140.17 and 61,776.92 is: 85,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,526.42 : 151,140.17 = 61,776.92 : x
  2. Step 2: Convert to fraction form
    109,526.42/151,140.17 = 61,776.92/x
  3. Step 3: Cross multiply
    109,526.42x = 151,140.17 × 61,776.92
  4. Step 4: Simplify right side
    109,526.42x = 9,336,974,190.88
  5. Step 5: Solve for x
    x = 9,336,974,190.88/109,526.42
  6. Step 6: Final answer
    x = 85,248.60

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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.