Home / 121,085.38-167,158.33-93,800.73

Finding the Fourth Proportional to 121,085.38, 167,158.33 and 93,800.73

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Solution

The fourth proportional to 121,085.38, 167,158.33 and 93,800.73 is: 129,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085.38 : 167,158.33 = 93,800.73 : x
  2. Step 2: Convert to fraction form
    121,085.38/167,158.33 = 93,800.73/x
  3. Step 3: Cross multiply
    121,085.38x = 167,158.33 × 93,800.73
  4. Step 4: Simplify right side
    121,085.38x = 15,679,574,299.55
  5. Step 5: Solve for x
    x = 15,679,574,299.55/121,085.38
  6. Step 6: Final answer
    x = 129,491.89

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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.