Home / 142,649.20-213,714.60-116,210.80

Finding the Fourth Proportional to 142,649.20, 213,714.60 and 116,210.80

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Solution

The fourth proportional to 142,649.20, 213,714.60 and 116,210.80 is: 174,105.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,649.20 : 213,714.60 = 116,210.80 : x
  2. Step 2: Convert to fraction form
    142,649.20/213,714.60 = 116,210.80/x
  3. Step 3: Cross multiply
    142,649.20x = 213,714.60 × 116,210.80
  4. Step 4: Simplify right side
    142,649.20x = 24,835,944,637.68
  5. Step 5: Solve for x
    x = 24,835,944,637.68/142,649.20
  6. Step 6: Final answer
    x = 174,105.04

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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.