Home / 191,534.76-287,102.49-107,171.23

Finding the Fourth Proportional to 191,534.76, 287,102.49 and 107,171.23

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Solution

The fourth proportional to 191,534.76, 287,102.49 and 107,171.23 is: 160,645.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,534.76 : 287,102.49 = 107,171.23 : x
  2. Step 2: Convert to fraction form
    191,534.76/287,102.49 = 107,171.23/x
  3. Step 3: Cross multiply
    191,534.76x = 287,102.49 × 107,171.23
  4. Step 4: Simplify right side
    191,534.76x = 30,769,126,989.36
  5. Step 5: Solve for x
    x = 30,769,126,989.36/191,534.76
  6. Step 6: Final answer
    x = 160,645.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.