Home / 107,211.92-148,003.24-71,461.52

Finding the Fourth Proportional to 107,211.92, 148,003.24 and 71,461.52

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Solution

The fourth proportional to 107,211.92, 148,003.24 and 71,461.52 is: 98,650.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,211.92 : 148,003.24 = 71,461.52 : x
  2. Step 2: Convert to fraction form
    107,211.92/148,003.24 = 71,461.52/x
  3. Step 3: Cross multiply
    107,211.92x = 148,003.24 × 71,461.52
  4. Step 4: Simplify right side
    107,211.92x = 10,576,536,495.32
  5. Step 5: Solve for x
    x = 10,576,536,495.32/107,211.92
  6. Step 6: Final answer
    x = 98,650.75

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1.5x scale

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.