Home / 109,201.31-150,674.55-63,870.44

Finding the Fourth Proportional to 109,201.31, 150,674.55 and 63,870.44

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Solution

The fourth proportional to 109,201.31, 150,674.55 and 63,870.44 is: 88,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,201.31 : 150,674.55 = 63,870.44 : x
  2. Step 2: Convert to fraction form
    109,201.31/150,674.55 = 63,870.44/x
  3. Step 3: Cross multiply
    109,201.31x = 150,674.55 × 63,870.44
  4. Step 4: Simplify right side
    109,201.31x = 9,623,649,805.30
  5. Step 5: Solve for x
    x = 9,623,649,805.30/109,201.31
  6. Step 6: Final answer
    x = 88,127.60

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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.