Home / 247,854.38-342,041.14-134,677.12

Finding the Fourth Proportional to 247,854.38, 342,041.14 and 134,677.12

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Solution

The fourth proportional to 247,854.38, 342,041.14 and 134,677.12 is: 185,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,854.38 : 342,041.14 = 134,677.12 : x
  2. Step 2: Convert to fraction form
    247,854.38/342,041.14 = 134,677.12/x
  3. Step 3: Cross multiply
    247,854.38x = 342,041.14 × 134,677.12
  4. Step 4: Simplify right side
    247,854.38x = 46,065,115,656.72
  5. Step 5: Solve for x
    x = 46,065,115,656.72/247,854.38
  6. Step 6: Final answer
    x = 185,855.56

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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.