Home / 359,779.90-496,486.38-198,632.02

Finding the Fourth Proportional to 359,779.90, 496,486.38 and 198,632.02

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Solution

The fourth proportional to 359,779.90, 496,486.38 and 198,632.02 is: 274,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,779.90 : 496,486.38 = 198,632.02 : x
  2. Step 2: Convert to fraction form
    359,779.90/496,486.38 = 198,632.02/x
  3. Step 3: Cross multiply
    359,779.90x = 496,486.38 × 198,632.02
  4. Step 4: Simplify right side
    359,779.90x = 98,618,092,561.89
  5. Step 5: Solve for x
    x = 98,618,092,561.89/359,779.90
  6. Step 6: Final answer
    x = 274,106.73

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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.