Home / 143,297.48-214,616.66-83,177.06

Finding the Fourth Proportional to 143,297.48, 214,616.66 and 83,177.06

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Solution

The fourth proportional to 143,297.48, 214,616.66 and 83,177.06 is: 124,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,297.48 : 214,616.66 = 83,177.06 : x
  2. Step 2: Convert to fraction form
    143,297.48/214,616.66 = 83,177.06/x
  3. Step 3: Cross multiply
    143,297.48x = 214,616.66 × 83,177.06
  4. Step 4: Simplify right side
    143,297.48x = 17,851,182,805.82
  5. Step 5: Solve for x
    x = 17,851,182,805.82/143,297.48
  6. Step 6: Final answer
    x = 124,574.30

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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.