Home / 231,815.80-347,723.70-98,700.40

Finding the Fourth Proportional to 231,815.80, 347,723.70 and 98,700.40

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Solution

The fourth proportional to 231,815.80, 347,723.70 and 98,700.40 is: 148,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,815.80 : 347,723.70 = 98,700.40 : x
  2. Step 2: Convert to fraction form
    231,815.80/347,723.70 = 98,700.40/x
  3. Step 3: Cross multiply
    231,815.80x = 347,723.70 × 98,700.40
  4. Step 4: Simplify right side
    231,815.80x = 34,320,468,279.48
  5. Step 5: Solve for x
    x = 34,320,468,279.48/231,815.80
  6. Step 6: Final answer
    x = 148,050.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.