Home / 121,205.20-181,656.60-62,064.40

Finding the Fourth Proportional to 121,205.20, 181,656.60 and 62,064.40

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Solution

The fourth proportional to 121,205.20, 181,656.60 and 62,064.40 is: 93,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,205.20 : 181,656.60 = 62,064.40 : x
  2. Step 2: Convert to fraction form
    121,205.20/181,656.60 = 62,064.40/x
  3. Step 3: Cross multiply
    121,205.20x = 181,656.60 × 62,064.40
  4. Step 4: Simplify right side
    121,205.20x = 11,274,407,885.04
  5. Step 5: Solve for x
    x = 11,274,407,885.04/121,205.20
  6. Step 6: Final answer
    x = 93,019.18

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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.