Home / 212,836.91-293,722.02-126,784.14

Finding the Fourth Proportional to 212,836.91, 293,722.02 and 126,784.14

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Solution

The fourth proportional to 212,836.91, 293,722.02 and 126,784.14 is: 174,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,836.91 : 293,722.02 = 126,784.14 : x
  2. Step 2: Convert to fraction form
    212,836.91/293,722.02 = 126,784.14/x
  3. Step 3: Cross multiply
    212,836.91x = 293,722.02 × 126,784.14
  4. Step 4: Simplify right side
    212,836.91x = 37,239,293,229.32
  5. Step 5: Solve for x
    x = 37,239,293,229.32/212,836.91
  6. Step 6: Final answer
    x = 174,966.34

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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.