Home / 113,502.18-156,580.34-73,228.88

Finding the Fourth Proportional to 113,502.18, 156,580.34 and 73,228.88

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Solution

The fourth proportional to 113,502.18, 156,580.34 and 73,228.88 is: 101,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,502.18 : 156,580.34 = 73,228.88 : x
  2. Step 2: Convert to fraction form
    113,502.18/156,580.34 = 73,228.88/x
  3. Step 3: Cross multiply
    113,502.18x = 156,580.34 × 73,228.88
  4. Step 4: Simplify right side
    113,502.18x = 11,466,202,928.22
  5. Step 5: Solve for x
    x = 11,466,202,928.22/113,502.18
  6. Step 6: Final answer
    x = 101,021.87

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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.