Home / 132,358.20-198,537.30-70,150.20

Finding the Fourth Proportional to 132,358.20, 198,537.30 and 70,150.20

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Solution

The fourth proportional to 132,358.20, 198,537.30 and 70,150.20 is: 105,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,358.20 : 198,537.30 = 70,150.20 : x
  2. Step 2: Convert to fraction form
    132,358.20/198,537.30 = 70,150.20/x
  3. Step 3: Cross multiply
    132,358.20x = 198,537.30 × 70,150.20
  4. Step 4: Simplify right side
    132,358.20x = 13,927,431,302.46
  5. Step 5: Solve for x
    x = 13,927,431,302.46/132,358.20
  6. Step 6: Final answer
    x = 105,225.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.