Home / 262,036.20-392,147.10-156,930.60

Finding the Fourth Proportional to 262,036.20, 392,147.10 and 156,930.60

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Solution

The fourth proportional to 262,036.20, 392,147.10 and 156,930.60 is: 234,852.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,036.20 : 392,147.10 = 156,930.60 : x
  2. Step 2: Convert to fraction form
    262,036.20/392,147.10 = 156,930.60/x
  3. Step 3: Cross multiply
    262,036.20x = 392,147.10 × 156,930.60
  4. Step 4: Simplify right side
    262,036.20x = 61,539,879,691.26
  5. Step 5: Solve for x
    x = 61,539,879,691.26/262,036.20
  6. Step 6: Final answer
    x = 234,852.59

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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.