Home / 185,605.20-278,376.84-52,455.24

Finding the Fourth Proportional to 185,605.20, 278,376.84 and 52,455.24

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Solution

The fourth proportional to 185,605.20, 278,376.84 and 52,455.24 is: 78,674.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,605.20 : 278,376.84 = 52,455.24 : x
  2. Step 2: Convert to fraction form
    185,605.20/278,376.84 = 52,455.24/x
  3. Step 3: Cross multiply
    185,605.20x = 278,376.84 × 52,455.24
  4. Step 4: Simplify right side
    185,605.20x = 14,602,323,952.64
  5. Step 5: Solve for x
    x = 14,602,323,952.64/185,605.20
  6. Step 6: Final answer
    x = 78,674.11

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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.