Home / 136,628.96-204,944.40-43,142.24

Finding the Fourth Proportional to 136,628.96, 204,944.40 and 43,142.24

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Solution

The fourth proportional to 136,628.96, 204,944.40 and 43,142.24 is: 64,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,628.96 : 204,944.40 = 43,142.24 : x
  2. Step 2: Convert to fraction form
    136,628.96/204,944.40 = 43,142.24/x
  3. Step 3: Cross multiply
    136,628.96x = 204,944.40 × 43,142.24
  4. Step 4: Simplify right side
    136,628.96x = 8,841,760,491.46
  5. Step 5: Solve for x
    x = 8,841,760,491.46/136,628.96
  6. Step 6: Final answer
    x = 64,713.66

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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.