Home / 131,636.11-181,468.88-93,844.75

Finding the Fourth Proportional to 131,636.11, 181,468.88 and 93,844.75

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Solution

The fourth proportional to 131,636.11, 181,468.88 and 93,844.75 is: 129,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,636.11 : 181,468.88 = 93,844.75 : x
  2. Step 2: Convert to fraction form
    131,636.11/181,468.88 = 93,844.75/x
  3. Step 3: Cross multiply
    131,636.11x = 181,468.88 × 93,844.75
  4. Step 4: Simplify right side
    131,636.11x = 17,029,900,769.04
  5. Step 5: Solve for x
    x = 17,029,900,769.04/131,636.11
  6. Step 6: Final answer
    x = 129,371.05

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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.