Home / 165,724.12-248,615.40-60,689.80

Finding the Fourth Proportional to 165,724.12, 248,615.40 and 60,689.80

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Solution

The fourth proportional to 165,724.12, 248,615.40 and 60,689.80 is: 91,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,724.12 : 248,615.40 = 60,689.80 : x
  2. Step 2: Convert to fraction form
    165,724.12/248,615.40 = 60,689.80/x
  3. Step 3: Cross multiply
    165,724.12x = 248,615.40 × 60,689.80
  4. Step 4: Simplify right side
    165,724.12x = 15,088,418,902.92
  5. Step 5: Solve for x
    x = 15,088,418,902.92/165,724.12
  6. Step 6: Final answer
    x = 91,045.40

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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.