Home / 124,149.87-171,345.26-73,146.29

Finding the Fourth Proportional to 124,149.87, 171,345.26 and 73,146.29

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Solution

The fourth proportional to 124,149.87, 171,345.26 and 73,146.29 is: 100,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.87 : 171,345.26 = 73,146.29 : x
  2. Step 2: Convert to fraction form
    124,149.87/171,345.26 = 73,146.29/x
  3. Step 3: Cross multiply
    124,149.87x = 171,345.26 × 73,146.29
  4. Step 4: Simplify right side
    124,149.87x = 12,533,270,200.83
  5. Step 5: Solve for x
    x = 12,533,270,200.83/124,149.87
  6. Step 6: Final answer
    x = 100,952.75

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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.