Home / 156,281.16-215,624.24-98,144.16

Finding the Fourth Proportional to 156,281.16, 215,624.24 and 98,144.16

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Solution

The fourth proportional to 156,281.16, 215,624.24 and 98,144.16 is: 135,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,281.16 : 215,624.24 = 98,144.16 : x
  2. Step 2: Convert to fraction form
    156,281.16/215,624.24 = 98,144.16/x
  3. Step 3: Cross multiply
    156,281.16x = 215,624.24 × 98,144.16
  4. Step 4: Simplify right side
    156,281.16x = 21,162,259,910.44
  5. Step 5: Solve for x
    x = 21,162,259,910.44/156,281.16
  6. Step 6: Final answer
    x = 135,411.46

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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.