Home / 220,196.16-303,889.48-124,719.84

Finding the Fourth Proportional to 220,196.16, 303,889.48 and 124,719.84

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Solution

The fourth proportional to 220,196.16, 303,889.48 and 124,719.84 is: 172,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,196.16 : 303,889.48 = 124,719.84 : x
  2. Step 2: Convert to fraction form
    220,196.16/303,889.48 = 124,719.84/x
  3. Step 3: Cross multiply
    220,196.16x = 303,889.48 × 124,719.84
  4. Step 4: Simplify right side
    220,196.16x = 37,901,047,323.28
  5. Step 5: Solve for x
    x = 37,901,047,323.28/220,196.16
  6. Step 6: Final answer
    x = 172,124.02

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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.