Home / 124,150.62-171,346.30-73,147.05

Finding the Fourth Proportional to 124,150.62, 171,346.30 and 73,147.05

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Solution

The fourth proportional to 124,150.62, 171,346.30 and 73,147.05 is: 100,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,150.62 : 171,346.30 = 73,147.05 : x
  2. Step 2: Convert to fraction form
    124,150.62/171,346.30 = 73,147.05/x
  3. Step 3: Cross multiply
    124,150.62x = 171,346.30 × 73,147.05
  4. Step 4: Simplify right side
    124,150.62x = 12,533,475,150.95
  5. Step 5: Solve for x
    x = 12,533,475,150.95/124,150.62
  6. Step 6: Final answer
    x = 100,953.79

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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.