Home / 176,399.88-243,423.68-99,917.25

Finding the Fourth Proportional to 176,399.88, 243,423.68 and 99,917.25

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Solution

The fourth proportional to 176,399.88, 243,423.68 and 99,917.25 is: 137,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,399.88 : 243,423.68 = 99,917.25 : x
  2. Step 2: Convert to fraction form
    176,399.88/243,423.68 = 99,917.25/x
  3. Step 3: Cross multiply
    176,399.88x = 243,423.68 × 99,917.25
  4. Step 4: Simplify right side
    176,399.88x = 24,322,224,190.89
  5. Step 5: Solve for x
    x = 24,322,224,190.89/176,399.88
  6. Step 6: Final answer
    x = 137,881.18

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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.