Home / 115,482.24-159,475.55-109,192.57

Finding the Fourth Proportional to 115,482.24, 159,475.55 and 109,192.57

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Solution

The fourth proportional to 115,482.24, 159,475.55 and 109,192.57 is: 150,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,482.24 : 159,475.55 = 109,192.57 : x
  2. Step 2: Convert to fraction form
    115,482.24/159,475.55 = 109,192.57/x
  3. Step 3: Cross multiply
    115,482.24x = 159,475.55 × 109,192.57
  4. Step 4: Simplify right side
    115,482.24x = 17,413,544,212.01
  5. Step 5: Solve for x
    x = 17,413,544,212.01/115,482.24
  6. Step 6: Final answer
    x = 150,789.80

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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.