Home / 121,228.48-167,295.12-67,518.16

Finding the Fourth Proportional to 121,228.48, 167,295.12 and 67,518.16

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Solution

The fourth proportional to 121,228.48, 167,295.12 and 67,518.16 is: 93,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,228.48 : 167,295.12 = 67,518.16 : x
  2. Step 2: Convert to fraction form
    121,228.48/167,295.12 = 67,518.16/x
  3. Step 3: Cross multiply
    121,228.48x = 167,295.12 × 67,518.16
  4. Step 4: Simplify right side
    121,228.48x = 11,295,458,679.38
  5. Step 5: Solve for x
    x = 11,295,458,679.38/121,228.48
  6. Step 6: Final answer
    x = 93,174.96

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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.