Home / 121,151.90-167,185.88-67,435.52

Finding the Fourth Proportional to 121,151.90, 167,185.88 and 67,435.52

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Solution

The fourth proportional to 121,151.90, 167,185.88 and 67,435.52 is: 93,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,151.90 : 167,185.88 = 67,435.52 : x
  2. Step 2: Convert to fraction form
    121,151.90/167,185.88 = 67,435.52/x
  3. Step 3: Cross multiply
    121,151.90x = 167,185.88 × 67,435.52
  4. Step 4: Simplify right side
    121,151.90x = 11,274,266,754.46
  5. Step 5: Solve for x
    x = 11,274,266,754.46/121,151.90
  6. Step 6: Final answer
    x = 93,058.93

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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.