Home / 151,328.13-208,782.75-97,648.80

Finding the Fourth Proportional to 151,328.13, 208,782.75 and 97,648.80

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Solution

The fourth proportional to 151,328.13, 208,782.75 and 97,648.80 is: 134,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,328.13 : 208,782.75 = 97,648.80 : x
  2. Step 2: Convert to fraction form
    151,328.13/208,782.75 = 97,648.80/x
  3. Step 3: Cross multiply
    151,328.13x = 208,782.75 × 97,648.80
  4. Step 4: Simplify right side
    151,328.13x = 20,387,384,998.20
  5. Step 5: Solve for x
    x = 20,387,384,998.20/151,328.13
  6. Step 6: Final answer
    x = 134,723.04

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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.