Home / 147,143.37-220,713.90-97,445.88

Finding the Fourth Proportional to 147,143.37, 220,713.90 and 97,445.88

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Solution

The fourth proportional to 147,143.37, 220,713.90 and 97,445.88 is: 146,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,143.37 : 220,713.90 = 97,445.88 : x
  2. Step 2: Convert to fraction form
    147,143.37/220,713.90 = 97,445.88/x
  3. Step 3: Cross multiply
    147,143.37x = 220,713.90 × 97,445.88
  4. Step 4: Simplify right side
    147,143.37x = 21,507,660,213.73
  5. Step 5: Solve for x
    x = 21,507,660,213.73/147,143.37
  6. Step 6: Final answer
    x = 146,168.06

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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.