Home / 121,237.08-167,300.82-67,521.12

Finding the Fourth Proportional to 121,237.08, 167,300.82 and 67,521.12

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Solution

The fourth proportional to 121,237.08, 167,300.82 and 67,521.12 is: 93,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,237.08 : 167,300.82 = 67,521.12 : x
  2. Step 2: Convert to fraction form
    121,237.08/167,300.82 = 67,521.12/x
  3. Step 3: Cross multiply
    121,237.08x = 167,300.82 × 67,521.12
  4. Step 4: Simplify right side
    121,237.08x = 11,296,338,743.32
  5. Step 5: Solve for x
    x = 11,296,338,743.32/121,237.08
  6. Step 6: Final answer
    x = 93,175.61

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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.