Home / 140,509.52-193,904.67-76,845.95

Finding the Fourth Proportional to 140,509.52, 193,904.67 and 76,845.95

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Solution

The fourth proportional to 140,509.52, 193,904.67 and 76,845.95 is: 106,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,509.52 : 193,904.67 = 76,845.95 : x
  2. Step 2: Convert to fraction form
    140,509.52/193,904.67 = 76,845.95/x
  3. Step 3: Cross multiply
    140,509.52x = 193,904.67 × 76,845.95
  4. Step 4: Simplify right side
    140,509.52x = 14,900,788,575.59
  5. Step 5: Solve for x
    x = 14,900,788,575.59/140,509.52
  6. Step 6: Final answer
    x = 106,048.25

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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.