Home / 157,632.20-236,448.30-98,649.80

Finding the Fourth Proportional to 157,632.20, 236,448.30 and 98,649.80

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Solution

The fourth proportional to 157,632.20, 236,448.30 and 98,649.80 is: 147,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,632.20 : 236,448.30 = 98,649.80 : x
  2. Step 2: Convert to fraction form
    157,632.20/236,448.30 = 98,649.80/x
  3. Step 3: Cross multiply
    157,632.20x = 236,448.30 × 98,649.80
  4. Step 4: Simplify right side
    157,632.20x = 23,325,577,505.34
  5. Step 5: Solve for x
    x = 23,325,577,505.34/157,632.20
  6. Step 6: Final answer
    x = 147,974.70

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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.