Home / 140,294.66-193,605.48-76,632.50

Finding the Fourth Proportional to 140,294.66, 193,605.48 and 76,632.50

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Solution

The fourth proportional to 140,294.66, 193,605.48 and 76,632.50 is: 105,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,294.66 : 193,605.48 = 76,632.50 : x
  2. Step 2: Convert to fraction form
    140,294.66/193,605.48 = 76,632.50/x
  3. Step 3: Cross multiply
    140,294.66x = 193,605.48 × 76,632.50
  4. Step 4: Simplify right side
    140,294.66x = 14,836,471,946.10
  5. Step 5: Solve for x
    x = 14,836,471,946.10/140,294.66
  6. Step 6: Final answer
    x = 105,752.22

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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.