Home / 185,401.34-278,102.47-52,282.30

Finding the Fourth Proportional to 185,401.34, 278,102.47 and 52,282.30

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Solution

The fourth proportional to 185,401.34, 278,102.47 and 52,282.30 is: 78,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,401.34 : 278,102.47 = 52,282.30 : x
  2. Step 2: Convert to fraction form
    185,401.34/278,102.47 = 52,282.30/x
  3. Step 3: Cross multiply
    185,401.34x = 278,102.47 × 52,282.30
  4. Step 4: Simplify right side
    185,401.34x = 14,539,835,376.77
  5. Step 5: Solve for x
    x = 14,539,835,376.77/185,401.34
  6. Step 6: Final answer
    x = 78,423.57

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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.