Home / 359,531.18-496,152.45-198,386.10

Finding the Fourth Proportional to 359,531.18, 496,152.45 and 198,386.10

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Solution

The fourth proportional to 359,531.18, 496,152.45 and 198,386.10 is: 273,772.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,531.18 : 496,152.45 = 198,386.10 : x
  2. Step 2: Convert to fraction form
    359,531.18/496,152.45 = 198,386.10/x
  3. Step 3: Cross multiply
    359,531.18x = 496,152.45 × 198,386.10
  4. Step 4: Simplify right side
    359,531.18x = 98,429,749,560.95
  5. Step 5: Solve for x
    x = 98,429,749,560.95/359,531.18
  6. Step 6: Final answer
    x = 273,772.50

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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.