Home / 159,458.84-220,062.68-91,475.36

Finding the Fourth Proportional to 159,458.84, 220,062.68 and 91,475.36

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Solution

The fourth proportional to 159,458.84, 220,062.68 and 91,475.36 is: 126,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,458.84 : 220,062.68 = 91,475.36 : x
  2. Step 2: Convert to fraction form
    159,458.84/220,062.68 = 91,475.36/x
  3. Step 3: Cross multiply
    159,458.84x = 220,062.68 × 91,475.36
  4. Step 4: Simplify right side
    159,458.84x = 20,130,312,875.56
  5. Step 5: Solve for x
    x = 20,130,312,875.56/159,458.84
  6. Step 6: Final answer
    x = 126,241.44

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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.