Home / 176,701.39-243,836.40-105,086.86

Finding the Fourth Proportional to 176,701.39, 243,836.40 and 105,086.86

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Solution

The fourth proportional to 176,701.39, 243,836.40 and 105,086.86 is: 145,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,701.39 : 243,836.40 = 105,086.86 : x
  2. Step 2: Convert to fraction form
    176,701.39/243,836.40 = 105,086.86/x
  3. Step 3: Cross multiply
    176,701.39x = 243,836.40 × 105,086.86
  4. Step 4: Simplify right side
    176,701.39x = 25,624,001,629.70
  5. Step 5: Solve for x
    x = 25,624,001,629.70/176,701.39
  6. Step 6: Final answer
    x = 145,013.02

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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.