Home / 179,621.40-247,879.32-99,052.20

Finding the Fourth Proportional to 179,621.40, 247,879.32 and 99,052.20

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Solution

The fourth proportional to 179,621.40, 247,879.32 and 99,052.20 is: 136,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,621.40 : 247,879.32 = 99,052.20 : x
  2. Step 2: Convert to fraction form
    179,621.40/247,879.32 = 99,052.20/x
  3. Step 3: Cross multiply
    179,621.40x = 247,879.32 × 99,052.20
  4. Step 4: Simplify right side
    179,621.40x = 24,552,991,980.50
  5. Step 5: Solve for x
    x = 24,552,991,980.50/179,621.40
  6. Step 6: Final answer
    x = 136,693.02

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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.