Home / 112,243.72-154,891.46-61,255.16

Finding the Fourth Proportional to 112,243.72, 154,891.46 and 61,255.16

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Solution

The fourth proportional to 112,243.72, 154,891.46 and 61,255.16 is: 84,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,243.72 : 154,891.46 = 61,255.16 : x
  2. Step 2: Convert to fraction form
    112,243.72/154,891.46 = 61,255.16/x
  3. Step 3: Cross multiply
    112,243.72x = 154,891.46 × 61,255.16
  4. Step 4: Simplify right side
    112,243.72x = 9,487,901,164.93
  5. Step 5: Solve for x
    x = 9,487,901,164.93/112,243.72
  6. Step 6: Final answer
    x = 84,529.46

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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.