Home / 121,056.28-181,427.10-67,746.04

Finding the Fourth Proportional to 121,056.28, 181,427.10 and 67,746.04

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Solution

The fourth proportional to 121,056.28, 181,427.10 and 67,746.04 is: 101,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,056.28 : 181,427.10 = 67,746.04 : x
  2. Step 2: Convert to fraction form
    121,056.28/181,427.10 = 67,746.04/x
  3. Step 3: Cross multiply
    121,056.28x = 181,427.10 × 67,746.04
  4. Step 4: Simplify right side
    121,056.28x = 12,290,967,573.68
  5. Step 5: Solve for x
    x = 12,290,967,573.68/121,056.28
  6. Step 6: Final answer
    x = 101,531.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.