Home / 359,703.06-496,387.49-198,558.23

Finding the Fourth Proportional to 359,703.06, 496,387.49 and 198,558.23

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Solution

The fourth proportional to 359,703.06, 496,387.49 and 198,558.23 is: 274,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,703.06 : 496,387.49 = 198,558.23 : x
  2. Step 2: Convert to fraction form
    359,703.06/496,387.49 = 198,558.23/x
  3. Step 3: Cross multiply
    359,703.06x = 496,387.49 × 198,558.23
  4. Step 4: Simplify right side
    359,703.06x = 98,561,817,933.81
  5. Step 5: Solve for x
    x = 98,561,817,933.81/359,703.06
  6. Step 6: Final answer
    x = 274,008.84

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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.