Home / 252,966.04-349,079.40-139,781.50

Finding the Fourth Proportional to 252,966.04, 349,079.40 and 139,781.50

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Solution

The fourth proportional to 252,966.04, 349,079.40 and 139,781.50 is: 192,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,966.04 : 349,079.40 = 139,781.50 : x
  2. Step 2: Convert to fraction form
    252,966.04/349,079.40 = 139,781.50/x
  3. Step 3: Cross multiply
    252,966.04x = 349,079.40 × 139,781.50
  4. Step 4: Simplify right side
    252,966.04x = 48,794,842,151.10
  5. Step 5: Solve for x
    x = 48,794,842,151.10/252,966.04
  6. Step 6: Final answer
    x = 192,890.88

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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.