Home / 121,309.04-167,404.21-67,592.90

Finding the Fourth Proportional to 121,309.04, 167,404.21 and 67,592.90

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Solution

The fourth proportional to 121,309.04, 167,404.21 and 67,592.90 is: 93,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,309.04 : 167,404.21 = 67,592.90 : x
  2. Step 2: Convert to fraction form
    121,309.04/167,404.21 = 67,592.90/x
  3. Step 3: Cross multiply
    121,309.04x = 167,404.21 × 67,592.90
  4. Step 4: Simplify right side
    121,309.04x = 11,315,335,020.11
  5. Step 5: Solve for x
    x = 11,315,335,020.11/121,309.04
  6. Step 6: Final answer
    x = 93,276.94

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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.