Home / 157,636.40-236,454.60-148,305.20

Finding the Fourth Proportional to 157,636.40, 236,454.60 and 148,305.20

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Solution

The fourth proportional to 157,636.40, 236,454.60 and 148,305.20 is: 222,457.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,636.40 : 236,454.60 = 148,305.20 : x
  2. Step 2: Convert to fraction form
    157,636.40/236,454.60 = 148,305.20/x
  3. Step 3: Cross multiply
    157,636.40x = 236,454.60 × 148,305.20
  4. Step 4: Simplify right side
    157,636.40x = 35,067,446,743.92
  5. Step 5: Solve for x
    x = 35,067,446,743.92/157,636.40
  6. Step 6: Final answer
    x = 222,457.80

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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.