Home / 124,199.20-186,422.40-57,654.40

Finding the Fourth Proportional to 124,199.20, 186,422.40 and 57,654.40

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Solution

The fourth proportional to 124,199.20, 186,422.40 and 57,654.40 is: 86,538.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,199.20 : 186,422.40 = 57,654.40 : x
  2. Step 2: Convert to fraction form
    124,199.20/186,422.40 = 57,654.40/x
  3. Step 3: Cross multiply
    124,199.20x = 186,422.40 × 57,654.40
  4. Step 4: Simplify right side
    124,199.20x = 10,748,071,618.56
  5. Step 5: Solve for x
    x = 10,748,071,618.56/124,199.20
  6. Step 6: Final answer
    x = 86,538.98

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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.