Home / 109,657.28-151,326.88-59,356.48

Finding the Fourth Proportional to 109,657.28, 151,326.88 and 59,356.48

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Solution

The fourth proportional to 109,657.28, 151,326.88 and 59,356.48 is: 81,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,657.28 : 151,326.88 = 59,356.48 : x
  2. Step 2: Convert to fraction form
    109,657.28/151,326.88 = 59,356.48/x
  3. Step 3: Cross multiply
    109,657.28x = 151,326.88 × 59,356.48
  4. Step 4: Simplify right side
    109,657.28x = 8,982,230,926.18
  5. Step 5: Solve for x
    x = 8,982,230,926.18/109,657.28
  6. Step 6: Final answer
    x = 81,911.85

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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.