Home / 121,437.66-182,165.13-38,329.50

Finding the Fourth Proportional to 121,437.66, 182,165.13 and 38,329.50

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Solution

The fourth proportional to 121,437.66, 182,165.13 and 38,329.50 is: 57,496.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,437.66 : 182,165.13 = 38,329.50 : x
  2. Step 2: Convert to fraction form
    121,437.66/182,165.13 = 38,329.50/x
  3. Step 3: Cross multiply
    121,437.66x = 182,165.13 × 38,329.50
  4. Step 4: Simplify right side
    121,437.66x = 6,982,298,350.34
  5. Step 5: Solve for x
    x = 6,982,298,350.34/121,437.66
  6. Step 6: Final answer
    x = 57,496.98

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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.