Home / 185,500.53-278,061.65-73,118.34

Finding the Fourth Proportional to 185,500.53, 278,061.65 and 73,118.34

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Solution

The fourth proportional to 185,500.53, 278,061.65 and 73,118.34 is: 109,602.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,500.53 : 278,061.65 = 73,118.34 : x
  2. Step 2: Convert to fraction form
    185,500.53/278,061.65 = 73,118.34/x
  3. Step 3: Cross multiply
    185,500.53x = 278,061.65 × 73,118.34
  4. Step 4: Simplify right side
    185,500.53x = 20,331,405,900.07
  5. Step 5: Solve for x
    x = 20,331,405,900.07/185,500.53
  6. Step 6: Final answer
    x = 109,602.95

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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.