Home / 108,768.03-150,127.47-74,326.71

Finding the Fourth Proportional to 108,768.03, 150,127.47 and 74,326.71

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Solution

The fourth proportional to 108,768.03, 150,127.47 and 74,326.71 is: 102,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,768.03 : 150,127.47 = 74,326.71 : x
  2. Step 2: Convert to fraction form
    108,768.03/150,127.47 = 74,326.71/x
  3. Step 3: Cross multiply
    108,768.03x = 150,127.47 × 74,326.71
  4. Step 4: Simplify right side
    108,768.03x = 11,158,480,012.96
  5. Step 5: Solve for x
    x = 11,158,480,012.96/108,768.03
  6. Step 6: Final answer
    x = 102,589.71

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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.