Home / 185,939.40-278,714.70-101,569.80

Finding the Fourth Proportional to 185,939.40, 278,714.70 and 101,569.80

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Solution

The fourth proportional to 185,939.40, 278,714.70 and 101,569.80 is: 152,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,939.40 : 278,714.70 = 101,569.80 : x
  2. Step 2: Convert to fraction form
    185,939.40/278,714.70 = 101,569.80/x
  3. Step 3: Cross multiply
    185,939.40x = 278,714.70 × 101,569.80
  4. Step 4: Simplify right side
    185,939.40x = 28,308,996,336.06
  5. Step 5: Solve for x
    x = 28,308,996,336.06/185,939.40
  6. Step 6: Final answer
    x = 152,248.51

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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.