Home / 122,074.92-168,480.45-88,193.01

Finding the Fourth Proportional to 122,074.92, 168,480.45 and 88,193.01

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Solution

The fourth proportional to 122,074.92, 168,480.45 and 88,193.01 is: 121,718.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,074.92 : 168,480.45 = 88,193.01 : x
  2. Step 2: Convert to fraction form
    122,074.92/168,480.45 = 88,193.01/x
  3. Step 3: Cross multiply
    122,074.92x = 168,480.45 × 88,193.01
  4. Step 4: Simplify right side
    122,074.92x = 14,858,798,011.65
  5. Step 5: Solve for x
    x = 14,858,798,011.65/122,074.92
  6. Step 6: Final answer
    x = 121,718.68

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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.