Home / 359,442.12-539,242.56-106,743.18

Finding the Fourth Proportional to 359,442.12, 539,242.56 and 106,743.18

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Solution

The fourth proportional to 359,442.12, 539,242.56 and 106,743.18 is: 160,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,442.12 : 539,242.56 = 106,743.18 : x
  2. Step 2: Convert to fraction form
    359,442.12/539,242.56 = 106,743.18/x
  3. Step 3: Cross multiply
    359,442.12x = 539,242.56 × 106,743.18
  4. Step 4: Simplify right side
    359,442.12x = 57,560,465,645.74
  5. Step 5: Solve for x
    x = 57,560,465,645.74/359,442.12
  6. Step 6: Final answer
    x = 160,138.34

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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.