Home / 176,212.14-243,184.77-99,731.31

Finding the Fourth Proportional to 176,212.14, 243,184.77 and 99,731.31

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Solution

The fourth proportional to 176,212.14, 243,184.77 and 99,731.31 is: 137,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,212.14 : 243,184.77 = 99,731.31 : x
  2. Step 2: Convert to fraction form
    176,212.14/243,184.77 = 99,731.31/x
  3. Step 3: Cross multiply
    176,212.14x = 243,184.77 × 99,731.31
  4. Step 4: Simplify right side
    176,212.14x = 24,253,135,684.15
  5. Step 5: Solve for x
    x = 24,253,135,684.15/176,212.14
  6. Step 6: Final answer
    x = 137,636.01

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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.