Home / 295,117.10-442,906.05-137,365.10

Finding the Fourth Proportional to 295,117.10, 442,906.05 and 137,365.10

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Solution

The fourth proportional to 295,117.10, 442,906.05 and 137,365.10 is: 206,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,117.10 : 442,906.05 = 137,365.10 : x
  2. Step 2: Convert to fraction form
    295,117.10/442,906.05 = 137,365.10/x
  3. Step 3: Cross multiply
    295,117.10x = 442,906.05 × 137,365.10
  4. Step 4: Simplify right side
    295,117.10x = 60,839,833,848.86
  5. Step 5: Solve for x
    x = 60,839,833,848.86/295,117.10
  6. Step 6: Final answer
    x = 206,154.89

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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.