Home / 107,143.44-160,725.96-28,263.12

Finding the Fourth Proportional to 107,143.44, 160,725.96 and 28,263.12

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Solution

The fourth proportional to 107,143.44, 160,725.96 and 28,263.12 is: 42,397.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,143.44 : 160,725.96 = 28,263.12 : x
  2. Step 2: Convert to fraction form
    107,143.44/160,725.96 = 28,263.12/x
  3. Step 3: Cross multiply
    107,143.44x = 160,725.96 × 28,263.12
  4. Step 4: Simplify right side
    107,143.44x = 4,542,617,094.60
  5. Step 5: Solve for x
    x = 4,542,617,094.60/107,143.44
  6. Step 6: Final answer
    x = 42,397.53

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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.