Home / 174,424.80-261,637.20-172,581.60

Finding the Fourth Proportional to 174,424.80, 261,637.20 and 172,581.60

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Solution

The fourth proportional to 174,424.80, 261,637.20 and 172,581.60 is: 258,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,424.80 : 261,637.20 = 172,581.60 : x
  2. Step 2: Convert to fraction form
    174,424.80/261,637.20 = 172,581.60/x
  3. Step 3: Cross multiply
    174,424.80x = 261,637.20 × 172,581.60
  4. Step 4: Simplify right side
    174,424.80x = 45,153,766,595.52
  5. Step 5: Solve for x
    x = 45,153,766,595.52/174,424.80
  6. Step 6: Final answer
    x = 258,872.40

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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.