Home / 142,270.24-196,104.90-96,315.40

Finding the Fourth Proportional to 142,270.24, 196,104.90 and 96,315.40

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Solution

The fourth proportional to 142,270.24, 196,104.90 and 96,315.40 is: 132,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,270.24 : 196,104.90 = 96,315.40 : x
  2. Step 2: Convert to fraction form
    142,270.24/196,104.90 = 96,315.40/x
  3. Step 3: Cross multiply
    142,270.24x = 196,104.90 × 96,315.40
  4. Step 4: Simplify right side
    142,270.24x = 18,887,920,846.91
  5. Step 5: Solve for x
    x = 18,887,920,846.91/142,270.24
  6. Step 6: Final answer
    x = 132,760.87

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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.