Home / 157,661.03-217,577.48-86,044.95

Finding the Fourth Proportional to 157,661.03, 217,577.48 and 86,044.95

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Solution

The fourth proportional to 157,661.03, 217,577.48 and 86,044.95 is: 118,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,661.03 : 217,577.48 = 86,044.95 : x
  2. Step 2: Convert to fraction form
    157,661.03/217,577.48 = 86,044.95/x
  3. Step 3: Cross multiply
    157,661.03x = 217,577.48 × 86,044.95
  4. Step 4: Simplify right side
    157,661.03x = 18,721,442,957.50
  5. Step 5: Solve for x
    x = 18,721,442,957.50/157,661.03
  6. Step 6: Final answer
    x = 118,744.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.