Home / 165,044.71-247,580.30-52,740.78

Finding the Fourth Proportional to 165,044.71, 247,580.30 and 52,740.78

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Solution

The fourth proportional to 165,044.71, 247,580.30 and 52,740.78 is: 79,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,044.71 : 247,580.30 = 52,740.78 : x
  2. Step 2: Convert to fraction form
    165,044.71/247,580.30 = 52,740.78/x
  3. Step 3: Cross multiply
    165,044.71x = 247,580.30 × 52,740.78
  4. Step 4: Simplify right side
    165,044.71x = 13,057,578,134.63
  5. Step 5: Solve for x
    x = 13,057,578,134.63/165,044.71
  6. Step 6: Final answer
    x = 79,115.40

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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.