Home / 174,013.90-261,020.85-120,869.80

Finding the Fourth Proportional to 174,013.90, 261,020.85 and 120,869.80

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Solution

The fourth proportional to 174,013.90, 261,020.85 and 120,869.80 is: 181,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,013.90 : 261,020.85 = 120,869.80 : x
  2. Step 2: Convert to fraction form
    174,013.90/261,020.85 = 120,869.80/x
  3. Step 3: Cross multiply
    174,013.90x = 261,020.85 × 120,869.80
  4. Step 4: Simplify right side
    174,013.90x = 31,549,537,935.33
  5. Step 5: Solve for x
    x = 31,549,537,935.33/174,013.90
  6. Step 6: Final answer
    x = 181,304.70

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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.