Home / 179,617.28-247,870.32-99,048.20

Finding the Fourth Proportional to 179,617.28, 247,870.32 and 99,048.20

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Solution

The fourth proportional to 179,617.28, 247,870.32 and 99,048.20 is: 136,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,617.28 : 247,870.32 = 99,048.20 : x
  2. Step 2: Convert to fraction form
    179,617.28/247,870.32 = 99,048.20/x
  3. Step 3: Cross multiply
    179,617.28x = 247,870.32 × 99,048.20
  4. Step 4: Simplify right side
    179,617.28x = 24,551,107,790.07
  5. Step 5: Solve for x
    x = 24,551,107,790.07/179,617.28
  6. Step 6: Final answer
    x = 136,685.67

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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.