Home / 121,526.70-182,290.05-111,903.90

Finding the Fourth Proportional to 121,526.70, 182,290.05 and 111,903.90

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Solution

The fourth proportional to 121,526.70, 182,290.05 and 111,903.90 is: 167,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,526.70 : 182,290.05 = 111,903.90 : x
  2. Step 2: Convert to fraction form
    121,526.70/182,290.05 = 111,903.90/x
  3. Step 3: Cross multiply
    121,526.70x = 182,290.05 × 111,903.90
  4. Step 4: Simplify right side
    121,526.70x = 20,398,967,526.20
  5. Step 5: Solve for x
    x = 20,398,967,526.20/121,526.70
  6. Step 6: Final answer
    x = 167,855.85

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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.