Home / 109,865.28-151,596.15-63,935.21

Finding the Fourth Proportional to 109,865.28, 151,596.15 and 63,935.21

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Solution

The fourth proportional to 109,865.28, 151,596.15 and 63,935.21 is: 88,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,865.28 : 151,596.15 = 63,935.21 : x
  2. Step 2: Convert to fraction form
    109,865.28/151,596.15 = 63,935.21/x
  3. Step 3: Cross multiply
    109,865.28x = 151,596.15 × 63,935.21
  4. Step 4: Simplify right side
    109,865.28x = 9,692,331,685.44
  5. Step 5: Solve for x
    x = 9,692,331,685.44/109,865.28
  6. Step 6: Final answer
    x = 88,220.15

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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.