Home / 174,309.03-261,463.55-121,821.03

Finding the Fourth Proportional to 174,309.03, 261,463.55 and 121,821.03

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Solution

The fourth proportional to 174,309.03, 261,463.55 and 121,821.03 is: 182,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,309.03 : 261,463.55 = 121,821.03 : x
  2. Step 2: Convert to fraction form
    174,309.03/261,463.55 = 121,821.03/x
  3. Step 3: Cross multiply
    174,309.03x = 261,463.55 × 121,821.03
  4. Step 4: Simplify right side
    174,309.03x = 31,851,758,359.35
  5. Step 5: Solve for x
    x = 31,851,758,359.35/174,309.03
  6. Step 6: Final answer
    x = 182,731.55

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1.5x scale

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.