Home / 179,620.47-247,870.53-99,049.50

Finding the Fourth Proportional to 179,620.47, 247,870.53 and 99,049.50

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Solution

The fourth proportional to 179,620.47, 247,870.53 and 99,049.50 is: 136,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,620.47 : 247,870.53 = 99,049.50 : x
  2. Step 2: Convert to fraction form
    179,620.47/247,870.53 = 99,049.50/x
  3. Step 3: Cross multiply
    179,620.47x = 247,870.53 × 99,049.50
  4. Step 4: Simplify right side
    179,620.47x = 24,551,452,061.24
  5. Step 5: Solve for x
    x = 24,551,452,061.24/179,620.47
  6. Step 6: Final answer
    x = 136,685.16

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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.