Home / 141,010.81-211,411.02-84,837.75

Finding the Fourth Proportional to 141,010.81, 211,411.02 and 84,837.75

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Solution

The fourth proportional to 141,010.81, 211,411.02 and 84,837.75 is: 127,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,010.81 : 211,411.02 = 84,837.75 : x
  2. Step 2: Convert to fraction form
    141,010.81/211,411.02 = 84,837.75/x
  3. Step 3: Cross multiply
    141,010.81x = 211,411.02 × 84,837.75
  4. Step 4: Simplify right side
    141,010.81x = 17,935,635,974.62
  5. Step 5: Solve for x
    x = 17,935,635,974.62/141,010.81
  6. Step 6: Final answer
    x = 127,193.34

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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.