Home / 153,876.48-231,220.64-82,851.63

Finding the Fourth Proportional to 153,876.48, 231,220.64 and 82,851.63

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Solution

The fourth proportional to 153,876.48, 231,220.64 and 82,851.63 is: 124,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,876.48 : 231,220.64 = 82,851.63 : x
  2. Step 2: Convert to fraction form
    153,876.48/231,220.64 = 82,851.63/x
  3. Step 3: Cross multiply
    153,876.48x = 231,220.64 × 82,851.63
  4. Step 4: Simplify right side
    153,876.48x = 19,157,006,499.39
  5. Step 5: Solve for x
    x = 19,157,006,499.39/153,876.48
  6. Step 6: Final answer
    x = 124,496.00

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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.