Home / 359,680.09-496,358.55-198,535.18

Finding the Fourth Proportional to 359,680.09, 496,358.55 and 198,535.18

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Solution

The fourth proportional to 359,680.09, 496,358.55 and 198,535.18 is: 273,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,680.09 : 496,358.55 = 198,535.18 : x
  2. Step 2: Convert to fraction form
    359,680.09/496,358.55 = 198,535.18/x
  3. Step 3: Cross multiply
    359,680.09x = 496,358.55 × 198,535.18
  4. Step 4: Simplify right side
    359,680.09x = 98,544,634,068.79
  5. Step 5: Solve for x
    x = 98,544,634,068.79/359,680.09
  6. Step 6: Final answer
    x = 273,978.56

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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.