Home / 185,631.96-278,447.60-67,303.10

Finding the Fourth Proportional to 185,631.96, 278,447.60 and 67,303.10

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Solution

The fourth proportional to 185,631.96, 278,447.60 and 67,303.10 is: 100,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,631.96 : 278,447.60 = 67,303.10 : x
  2. Step 2: Convert to fraction form
    185,631.96/278,447.60 = 67,303.10/x
  3. Step 3: Cross multiply
    185,631.96x = 278,447.60 × 67,303.10
  4. Step 4: Simplify right side
    185,631.96x = 18,740,386,667.56
  5. Step 5: Solve for x
    x = 18,740,386,667.56/185,631.96
  6. Step 6: Final answer
    x = 100,954.53

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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.