Home / 226,962.40-340,443.60-156,978.40

Finding the Fourth Proportional to 226,962.40, 340,443.60 and 156,978.40

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Solution

The fourth proportional to 226,962.40, 340,443.60 and 156,978.40 is: 235,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,962.40 : 340,443.60 = 156,978.40 : x
  2. Step 2: Convert to fraction form
    226,962.40/340,443.60 = 156,978.40/x
  3. Step 3: Cross multiply
    226,962.40x = 340,443.60 × 156,978.40
  4. Step 4: Simplify right side
    226,962.40x = 53,442,291,618.24
  5. Step 5: Solve for x
    x = 53,442,291,618.24/226,962.40
  6. Step 6: Final answer
    x = 235,467.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.