Home / 140,957.48-194,519.67-77,294.72

Finding the Fourth Proportional to 140,957.48, 194,519.67 and 77,294.72

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Solution

The fourth proportional to 140,957.48, 194,519.67 and 77,294.72 is: 106,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,957.48 : 194,519.67 = 77,294.72 : x
  2. Step 2: Convert to fraction form
    140,957.48/194,519.67 = 77,294.72/x
  3. Step 3: Cross multiply
    140,957.48x = 194,519.67 × 77,294.72
  4. Step 4: Simplify right side
    140,957.48x = 15,035,343,427.14
  5. Step 5: Solve for x
    x = 15,035,343,427.14/140,957.48
  6. Step 6: Final answer
    x = 106,665.81

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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.