Home / 242,635.24-334,865.70-142,033

Finding the Fourth Proportional to 242,635.24, 334,865.70 and 142,033

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Solution

The fourth proportional to 242,635.24, 334,865.70 and 142,033 is: 196,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,635.24 : 334,865.70 = 142,033 : x
  2. Step 2: Convert to fraction form
    242,635.24/334,865.70 = 142,033/x
  3. Step 3: Cross multiply
    242,635.24x = 334,865.70 × 142,033
  4. Step 4: Simplify right side
    242,635.24x = 47,561,979,968.10
  5. Step 5: Solve for x
    x = 47,561,979,968.10/242,635.24
  6. Step 6: Final answer
    x = 196,022.56

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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.