Home / 152,753.20-210,789.86-92,288.10

Finding the Fourth Proportional to 152,753.20, 210,789.86 and 92,288.10

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Solution

The fourth proportional to 152,753.20, 210,789.86 and 92,288.10 is: 127,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,753.20 : 210,789.86 = 92,288.10 : x
  2. Step 2: Convert to fraction form
    152,753.20/210,789.86 = 92,288.10/x
  3. Step 3: Cross multiply
    152,753.20x = 210,789.86 × 92,288.10
  4. Step 4: Simplify right side
    152,753.20x = 19,453,395,678.67
  5. Step 5: Solve for x
    x = 19,453,395,678.67/152,753.20
  6. Step 6: Final answer
    x = 127,351.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.