Home / 228,031.78-340,785.24-168,182.10

Finding the Fourth Proportional to 228,031.78, 340,785.24 and 168,182.10

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Solution

The fourth proportional to 228,031.78, 340,785.24 and 168,182.10 is: 251,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,031.78 : 340,785.24 = 168,182.10 : x
  2. Step 2: Convert to fraction form
    228,031.78/340,785.24 = 168,182.10/x
  3. Step 3: Cross multiply
    228,031.78x = 340,785.24 × 168,182.10
  4. Step 4: Simplify right side
    228,031.78x = 57,313,977,312.20
  5. Step 5: Solve for x
    x = 57,313,977,312.20/228,031.78
  6. Step 6: Final answer
    x = 251,342.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.