Home / 295,270.04-442,239.18-137,165.78

Finding the Fourth Proportional to 295,270.04, 442,239.18 and 137,165.78

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Solution

The fourth proportional to 295,270.04, 442,239.18 and 137,165.78 is: 205,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,270.04 : 442,239.18 = 137,165.78 : x
  2. Step 2: Convert to fraction form
    295,270.04/442,239.18 = 137,165.78/x
  3. Step 3: Cross multiply
    295,270.04x = 442,239.18 × 137,165.78
  4. Step 4: Simplify right side
    295,270.04x = 60,660,082,071.26
  5. Step 5: Solve for x
    x = 60,660,082,071.26/295,270.04
  6. Step 6: Final answer
    x = 205,439.34

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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.