Home / 121,544.20-182,316.30-38,438.20

Finding the Fourth Proportional to 121,544.20, 182,316.30 and 38,438.20

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Solution

The fourth proportional to 121,544.20, 182,316.30 and 38,438.20 is: 57,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,544.20 : 182,316.30 = 38,438.20 : x
  2. Step 2: Convert to fraction form
    121,544.20/182,316.30 = 38,438.20/x
  3. Step 3: Cross multiply
    121,544.20x = 182,316.30 × 38,438.20
  4. Step 4: Simplify right side
    121,544.20x = 7,007,910,402.66
  5. Step 5: Solve for x
    x = 7,007,910,402.66/121,544.20
  6. Step 6: Final answer
    x = 57,657.30

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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.