Home / 107,168.15-147,890.84-61,845.59

Finding the Fourth Proportional to 107,168.15, 147,890.84 and 61,845.59

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Solution

The fourth proportional to 107,168.15, 147,890.84 and 61,845.59 is: 85,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,168.15 : 147,890.84 = 61,845.59 : x
  2. Step 2: Convert to fraction form
    107,168.15/147,890.84 = 61,845.59/x
  3. Step 3: Cross multiply
    107,168.15x = 147,890.84 × 61,845.59
  4. Step 4: Simplify right side
    107,168.15x = 9,146,395,206.71
  5. Step 5: Solve for x
    x = 9,146,395,206.71/107,168.15
  6. Step 6: Final answer
    x = 85,346.21

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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.