Home / 113,223.42-156,244.94-64,823.75

Finding the Fourth Proportional to 113,223.42, 156,244.94 and 64,823.75

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Solution

The fourth proportional to 113,223.42, 156,244.94 and 64,823.75 is: 89,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,223.42 : 156,244.94 = 64,823.75 : x
  2. Step 2: Convert to fraction form
    113,223.42/156,244.94 = 64,823.75/x
  3. Step 3: Cross multiply
    113,223.42x = 156,244.94 × 64,823.75
  4. Step 4: Simplify right side
    113,223.42x = 10,128,382,310.16
  5. Step 5: Solve for x
    x = 10,128,382,310.16/113,223.42
  6. Step 6: Final answer
    x = 89,454.83

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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.