Home / 185,485.60-278,314.80-96,839.20

Finding the Fourth Proportional to 185,485.60, 278,314.80 and 96,839.20

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Solution

The fourth proportional to 185,485.60, 278,314.80 and 96,839.20 is: 145,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,485.60 : 278,314.80 = 96,839.20 : x
  2. Step 2: Convert to fraction form
    185,485.60/278,314.80 = 96,839.20/x
  3. Step 3: Cross multiply
    185,485.60x = 278,314.80 × 96,839.20
  4. Step 4: Simplify right side
    185,485.60x = 26,951,782,580.16
  5. Step 5: Solve for x
    x = 26,951,782,580.16/185,485.60
  6. Step 6: Final answer
    x = 145,303.91

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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.