Home / 359,655.85-496,289.73-198,500.55

Finding the Fourth Proportional to 359,655.85, 496,289.73 and 198,500.55

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Solution

The fourth proportional to 359,655.85, 496,289.73 and 198,500.55 is: 273,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,655.85 : 496,289.73 = 198,500.55 : x
  2. Step 2: Convert to fraction form
    359,655.85/496,289.73 = 198,500.55/x
  3. Step 3: Cross multiply
    359,655.85x = 496,289.73 × 198,500.55
  4. Step 4: Simplify right side
    359,655.85x = 98,513,784,364.35
  5. Step 5: Solve for x
    x = 98,513,784,364.35/359,655.85
  6. Step 6: Final answer
    x = 273,911.25

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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.