Home / 150,003.64-225,116.19-71,118.16

Finding the Fourth Proportional to 150,003.64, 225,116.19 and 71,118.16

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Solution

The fourth proportional to 150,003.64, 225,116.19 and 71,118.16 is: 106,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.64 : 225,116.19 = 71,118.16 : x
  2. Step 2: Convert to fraction form
    150,003.64/225,116.19 = 71,118.16/x
  3. Step 3: Cross multiply
    150,003.64x = 225,116.19 × 71,118.16
  4. Step 4: Simplify right side
    150,003.64x = 16,009,849,219.01
  5. Step 5: Solve for x
    x = 16,009,849,219.01/150,003.64
  6. Step 6: Final answer
    x = 106,729.74

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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.