Home / 113,228.40-169,648.20-93,399.60

Finding the Fourth Proportional to 113,228.40, 169,648.20 and 93,399.60

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Solution

The fourth proportional to 113,228.40, 169,648.20 and 93,399.60 is: 139,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,228.40 : 169,648.20 = 93,399.60 : x
  2. Step 2: Convert to fraction form
    113,228.40/169,648.20 = 93,399.60/x
  3. Step 3: Cross multiply
    113,228.40x = 169,648.20 × 93,399.60
  4. Step 4: Simplify right side
    113,228.40x = 15,845,074,020.72
  5. Step 5: Solve for x
    x = 15,845,074,020.72/113,228.40
  6. Step 6: Final answer
    x = 139,939.04

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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.