Home / 176,167.89-243,108.31-99,685.59

Finding the Fourth Proportional to 176,167.89, 243,108.31 and 99,685.59

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Solution

The fourth proportional to 176,167.89, 243,108.31 and 99,685.59 is: 137,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,167.89 : 243,108.31 = 99,685.59 : x
  2. Step 2: Convert to fraction form
    176,167.89/243,108.31 = 99,685.59/x
  3. Step 3: Cross multiply
    176,167.89x = 243,108.31 × 99,685.59
  4. Step 4: Simplify right side
    176,167.89x = 24,234,395,648.27
  5. Step 5: Solve for x
    x = 24,234,395,648.27/176,167.89
  6. Step 6: Final answer
    x = 137,564.21

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1.5x scale

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.