Home / 121,225.23-167,278.84-67,515.24

Finding the Fourth Proportional to 121,225.23, 167,278.84 and 67,515.24

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Solution

The fourth proportional to 121,225.23, 167,278.84 and 67,515.24 is: 93,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,225.23 : 167,278.84 = 67,515.24 : x
  2. Step 2: Convert to fraction form
    121,225.23/167,278.84 = 67,515.24/x
  3. Step 3: Cross multiply
    121,225.23x = 167,278.84 × 67,515.24
  4. Step 4: Simplify right side
    121,225.23x = 11,293,871,442.68
  5. Step 5: Solve for x
    x = 11,293,871,442.68/121,225.23
  6. Step 6: Final answer
    x = 93,164.36

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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.