Home / 121,512.60-182,123.10-62,317.80

Finding the Fourth Proportional to 121,512.60, 182,123.10 and 62,317.80

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Solution

The fourth proportional to 121,512.60, 182,123.10 and 62,317.80 is: 93,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,512.60 : 182,123.10 = 62,317.80 : x
  2. Step 2: Convert to fraction form
    121,512.60/182,123.10 = 62,317.80/x
  3. Step 3: Cross multiply
    121,512.60x = 182,123.10 × 62,317.80
  4. Step 4: Simplify right side
    121,512.60x = 11,349,510,921.18
  5. Step 5: Solve for x
    x = 11,349,510,921.18/121,512.60
  6. Step 6: Final answer
    x = 93,401.93

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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.