Home / 121,225.24-167,290.41-67,510.90

Finding the Fourth Proportional to 121,225.24, 167,290.41 and 67,510.90

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Solution

The fourth proportional to 121,225.24, 167,290.41 and 67,510.90 is: 93,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,225.24 : 167,290.41 = 67,510.90 : x
  2. Step 2: Convert to fraction form
    121,225.24/167,290.41 = 67,510.90/x
  3. Step 3: Cross multiply
    121,225.24x = 167,290.41 × 67,510.90
  4. Step 4: Simplify right side
    121,225.24x = 11,293,926,140.47
  5. Step 5: Solve for x
    x = 11,293,926,140.47/121,225.24
  6. Step 6: Final answer
    x = 93,164.81

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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.