Home / 359,678.06-496,355.78-198,533.18

Finding the Fourth Proportional to 359,678.06, 496,355.78 and 198,533.18

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Solution

The fourth proportional to 359,678.06, 496,355.78 and 198,533.18 is: 273,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,678.06 : 496,355.78 = 198,533.18 : x
  2. Step 2: Convert to fraction form
    359,678.06/496,355.78 = 198,533.18/x
  3. Step 3: Cross multiply
    359,678.06x = 496,355.78 × 198,533.18
  4. Step 4: Simplify right side
    359,678.06x = 98,543,091,414.78
  5. Step 5: Solve for x
    x = 98,543,091,414.78/359,678.06
  6. Step 6: Final answer
    x = 273,975.82

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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.