Home / 107,218.80-147,965.40-59,476.68

Finding the Fourth Proportional to 107,218.80, 147,965.40 and 59,476.68

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Solution

The fourth proportional to 107,218.80, 147,965.40 and 59,476.68 is: 82,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,218.80 : 147,965.40 = 59,476.68 : x
  2. Step 2: Convert to fraction form
    107,218.80/147,965.40 = 59,476.68/x
  3. Step 3: Cross multiply
    107,218.80x = 147,965.40 × 59,476.68
  4. Step 4: Simplify right side
    107,218.80x = 8,800,490,746.87
  5. Step 5: Solve for x
    x = 8,800,490,746.87/107,218.80
  6. Step 6: Final answer
    x = 82,079.74

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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.