Home / 253,319.03-349,564.52-140,141.78

Finding the Fourth Proportional to 253,319.03, 349,564.52 and 140,141.78

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Solution

The fourth proportional to 253,319.03, 349,564.52 and 140,141.78 is: 193,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,319.03 : 349,564.52 = 140,141.78 : x
  2. Step 2: Convert to fraction form
    253,319.03/349,564.52 = 140,141.78/x
  3. Step 3: Cross multiply
    253,319.03x = 349,564.52 × 140,141.78
  4. Step 4: Simplify right side
    253,319.03x = 48,988,593,356.94
  5. Step 5: Solve for x
    x = 48,988,593,356.94/253,319.03
  6. Step 6: Final answer
    x = 193,386.95

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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.