Home / 107,226.05-147,989.70-59,494.78

Finding the Fourth Proportional to 107,226.05, 147,989.70 and 59,494.78

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Solution

The fourth proportional to 107,226.05, 147,989.70 and 59,494.78 is: 82,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,226.05 : 147,989.70 = 59,494.78 : x
  2. Step 2: Convert to fraction form
    107,226.05/147,989.70 = 59,494.78/x
  3. Step 3: Cross multiply
    107,226.05x = 147,989.70 × 59,494.78
  4. Step 4: Simplify right side
    107,226.05x = 8,804,613,606.34
  5. Step 5: Solve for x
    x = 8,804,613,606.34/107,226.05
  6. Step 6: Final answer
    x = 82,112.64

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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.