Home / 105,703.20-158,444.46-55,839.60

Finding the Fourth Proportional to 105,703.20, 158,444.46 and 55,839.60

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Solution

The fourth proportional to 105,703.20, 158,444.46 and 55,839.60 is: 83,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,703.20 : 158,444.46 = 55,839.60 : x
  2. Step 2: Convert to fraction form
    105,703.20/158,444.46 = 55,839.60/x
  3. Step 3: Cross multiply
    105,703.20x = 158,444.46 × 55,839.60
  4. Step 4: Simplify right side
    105,703.20x = 8,847,475,268.62
  5. Step 5: Solve for x
    x = 8,847,475,268.62/105,703.20
  6. Step 6: Final answer
    x = 83,701.11

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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.