Home / 140,359.40-193,693.65-76,695.83

Finding the Fourth Proportional to 140,359.40, 193,693.65 and 76,695.83

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Solution

The fourth proportional to 140,359.40, 193,693.65 and 76,695.83 is: 105,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,359.40 : 193,693.65 = 76,695.83 : x
  2. Step 2: Convert to fraction form
    140,359.40/193,693.65 = 76,695.83/x
  3. Step 3: Cross multiply
    140,359.40x = 193,693.65 × 76,695.83
  4. Step 4: Simplify right side
    140,359.40x = 14,855,495,252.48
  5. Step 5: Solve for x
    x = 14,855,495,252.48/140,359.40
  6. Step 6: Final answer
    x = 105,838.98

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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.