Home / 176,411.20-243,441.84-100,958.08

Finding the Fourth Proportional to 176,411.20, 243,441.84 and 100,958.08

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Solution

The fourth proportional to 176,411.20, 243,441.84 and 100,958.08 is: 139,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,411.20 : 243,441.84 = 100,958.08 : x
  2. Step 2: Convert to fraction form
    176,411.20/243,441.84 = 100,958.08/x
  3. Step 3: Cross multiply
    176,411.20x = 243,441.84 × 100,958.08
  4. Step 4: Simplify right side
    176,411.20x = 24,577,420,758.07
  5. Step 5: Solve for x
    x = 24,577,420,758.07/176,411.20
  6. Step 6: Final answer
    x = 139,318.94

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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.