Home / 122,434.32-183,398.76-113,576.16

Finding the Fourth Proportional to 122,434.32, 183,398.76 and 113,576.16

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Solution

The fourth proportional to 122,434.32, 183,398.76 and 113,576.16 is: 170,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,434.32 : 183,398.76 = 113,576.16 : x
  2. Step 2: Convert to fraction form
    122,434.32/183,398.76 = 113,576.16/x
  3. Step 3: Cross multiply
    122,434.32x = 183,398.76 × 113,576.16
  4. Step 4: Simplify right side
    122,434.32x = 20,829,726,909.56
  5. Step 5: Solve for x
    x = 20,829,726,909.56/122,434.32
  6. Step 6: Final answer
    x = 170,129.80

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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.