Home / 359,140.30-495,617.07-198,001.60

Finding the Fourth Proportional to 359,140.30, 495,617.07 and 198,001.60

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Solution

The fourth proportional to 359,140.30, 495,617.07 and 198,001.60 is: 273,244.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,140.30 : 495,617.07 = 198,001.60 : x
  2. Step 2: Convert to fraction form
    359,140.30/495,617.07 = 198,001.60/x
  3. Step 3: Cross multiply
    359,140.30x = 495,617.07 × 198,001.60
  4. Step 4: Simplify right side
    359,140.30x = 98,132,972,847.31
  5. Step 5: Solve for x
    x = 98,132,972,847.31/359,140.30
  6. Step 6: Final answer
    x = 273,244.11

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1.5x scale

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.