Home / 185,180.07-277,715.21-78,562.61

Finding the Fourth Proportional to 185,180.07, 277,715.21 and 78,562.61

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Solution

The fourth proportional to 185,180.07, 277,715.21 and 78,562.61 is: 117,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,180.07 : 277,715.21 = 78,562.61 : x
  2. Step 2: Convert to fraction form
    185,180.07/277,715.21 = 78,562.61/x
  3. Step 3: Cross multiply
    185,180.07x = 277,715.21 × 78,562.61
  4. Step 4: Simplify right side
    185,180.07x = 21,818,031,215.30
  5. Step 5: Solve for x
    x = 21,818,031,215.30/185,180.07
  6. Step 6: Final answer
    x = 117,820.62

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1.5x scale

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.