Home / 174,475.89-261,166.88-120,123.47

Finding the Fourth Proportional to 174,475.89, 261,166.88 and 120,123.47

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Solution

The fourth proportional to 174,475.89, 261,166.88 and 120,123.47 is: 179,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,475.89 : 261,166.88 = 120,123.47 : x
  2. Step 2: Convert to fraction form
    174,475.89/261,166.88 = 120,123.47/x
  3. Step 3: Cross multiply
    174,475.89x = 261,166.88 × 120,123.47
  4. Step 4: Simplify right side
    174,475.89x = 31,372,272,827.90
  5. Step 5: Solve for x
    x = 31,372,272,827.90/174,475.89
  6. Step 6: Final answer
    x = 179,808.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.