Home / 110,542.20-152,427.77-74,669.94

Finding the Fourth Proportional to 110,542.20, 152,427.77 and 74,669.94

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Solution

The fourth proportional to 110,542.20, 152,427.77 and 74,669.94 is: 102,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,542.20 : 152,427.77 = 74,669.94 : x
  2. Step 2: Convert to fraction form
    110,542.20/152,427.77 = 74,669.94/x
  3. Step 3: Cross multiply
    110,542.20x = 152,427.77 × 74,669.94
  4. Step 4: Simplify right side
    110,542.20x = 11,381,772,066.88
  5. Step 5: Solve for x
    x = 11,381,772,066.88/110,542.20
  6. Step 6: Final answer
    x = 102,963.14

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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.