Home / 113,541.76-156,534.96-79,504.48

Finding the Fourth Proportional to 113,541.76, 156,534.96 and 79,504.48

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Solution

The fourth proportional to 113,541.76, 156,534.96 and 79,504.48 is: 109,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,541.76 : 156,534.96 = 79,504.48 : x
  2. Step 2: Convert to fraction form
    113,541.76/156,534.96 = 79,504.48/x
  3. Step 3: Cross multiply
    113,541.76x = 156,534.96 × 79,504.48
  4. Step 4: Simplify right side
    113,541.76x = 12,445,230,596.62
  5. Step 5: Solve for x
    x = 12,445,230,596.62/113,541.76
  6. Step 6: Final answer
    x = 109,609.28

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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.