Home / 225,724.08-311,599.44-144,159.12

Finding the Fourth Proportional to 225,724.08, 311,599.44 and 144,159.12

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Solution

The fourth proportional to 225,724.08, 311,599.44 and 144,159.12 is: 199,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,724.08 : 311,599.44 = 144,159.12 : x
  2. Step 2: Convert to fraction form
    225,724.08/311,599.44 = 144,159.12/x
  3. Step 3: Cross multiply
    225,724.08x = 311,599.44 × 144,159.12
  4. Step 4: Simplify right side
    225,724.08x = 44,919,901,062.89
  5. Step 5: Solve for x
    x = 44,919,901,062.89/225,724.08
  6. Step 6: Final answer
    x = 199,003.58

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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.