Home / 134,103.24-185,061.76-72,848.95

Finding the Fourth Proportional to 134,103.24, 185,061.76 and 72,848.95

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Solution

The fourth proportional to 134,103.24, 185,061.76 and 72,848.95 is: 100,531.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,103.24 : 185,061.76 = 72,848.95 : x
  2. Step 2: Convert to fraction form
    134,103.24/185,061.76 = 72,848.95/x
  3. Step 3: Cross multiply
    134,103.24x = 185,061.76 × 72,848.95
  4. Step 4: Simplify right side
    134,103.24x = 13,481,554,901.15
  5. Step 5: Solve for x
    x = 13,481,554,901.15/134,103.24
  6. Step 6: Final answer
    x = 100,531.16

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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.