Home / 121,488.23-167,654.23-67,777.33

Finding the Fourth Proportional to 121,488.23, 167,654.23 and 67,777.33

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Solution

The fourth proportional to 121,488.23, 167,654.23 and 67,777.33 is: 93,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,488.23 : 167,654.23 = 67,777.33 : x
  2. Step 2: Convert to fraction form
    121,488.23/167,654.23 = 67,777.33/x
  3. Step 3: Cross multiply
    121,488.23x = 167,654.23 × 67,777.33
  4. Step 4: Simplify right side
    121,488.23x = 11,363,156,072.61
  5. Step 5: Solve for x
    x = 11,363,156,072.61/121,488.23
  6. Step 6: Final answer
    x = 93,532.98

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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.