Home / 359,534.18-496,156.58-198,389.10

Finding the Fourth Proportional to 359,534.18, 496,156.58 and 198,389.10

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Solution

The fourth proportional to 359,534.18, 496,156.58 and 198,389.10 is: 273,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,534.18 : 496,156.58 = 198,389.10 : x
  2. Step 2: Convert to fraction form
    359,534.18/496,156.58 = 198,389.10/x
  3. Step 3: Cross multiply
    359,534.18x = 496,156.58 × 198,389.10
  4. Step 4: Simplify right side
    359,534.18x = 98,432,057,365.28
  5. Step 5: Solve for x
    x = 98,432,057,365.28/359,534.18
  6. Step 6: Final answer
    x = 273,776.63

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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.