Home / 147,001-202,861.38-79,933.48

Finding the Fourth Proportional to 147,001, 202,861.38 and 79,933.48

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Solution

The fourth proportional to 147,001, 202,861.38 and 79,933.48 is: 110,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,001 : 202,861.38 = 79,933.48 : x
  2. Step 2: Convert to fraction form
    147,001/202,861.38 = 79,933.48/x
  3. Step 3: Cross multiply
    147,001x = 202,861.38 × 79,933.48
  4. Step 4: Simplify right side
    147,001x = 16,215,416,061.00
  5. Step 5: Solve for x
    x = 16,215,416,061.00/147,001
  6. Step 6: Final answer
    x = 110,308.20

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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.