Home / 113,490.06-170,013.61-88,412.68

Finding the Fourth Proportional to 113,490.06, 170,013.61 and 88,412.68

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Solution

The fourth proportional to 113,490.06, 170,013.61 and 88,412.68 is: 132,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,490.06 : 170,013.61 = 88,412.68 : x
  2. Step 2: Convert to fraction form
    113,490.06/170,013.61 = 88,412.68/x
  3. Step 3: Cross multiply
    113,490.06x = 170,013.61 × 88,412.68
  4. Step 4: Simplify right side
    113,490.06x = 15,031,358,896.57
  5. Step 5: Solve for x
    x = 15,031,358,896.57/113,490.06
  6. Step 6: Final answer
    x = 132,446.48

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1.5x scale

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.