Home / 120,154.24-179,968.86-60,888.16

Finding the Fourth Proportional to 120,154.24, 179,968.86 and 60,888.16

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Solution

The fourth proportional to 120,154.24, 179,968.86 and 60,888.16 is: 91,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,154.24 : 179,968.86 = 60,888.16 : x
  2. Step 2: Convert to fraction form
    120,154.24/179,968.86 = 60,888.16/x
  3. Step 3: Cross multiply
    120,154.24x = 179,968.86 × 60,888.16
  4. Step 4: Simplify right side
    120,154.24x = 10,957,972,742.70
  5. Step 5: Solve for x
    x = 10,957,972,742.70/120,154.24
  6. Step 6: Final answer
    x = 91,199.22

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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.