Home / 107,266.42-160,943.37-86,402.44

Finding the Fourth Proportional to 107,266.42, 160,943.37 and 86,402.44

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Solution

The fourth proportional to 107,266.42, 160,943.37 and 86,402.44 is: 129,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,266.42 : 160,943.37 = 86,402.44 : x
  2. Step 2: Convert to fraction form
    107,266.42/160,943.37 = 86,402.44/x
  3. Step 3: Cross multiply
    107,266.42x = 160,943.37 × 86,402.44
  4. Step 4: Simplify right side
    107,266.42x = 13,905,899,869.82
  5. Step 5: Solve for x
    x = 13,905,899,869.82/107,266.42
  6. Step 6: Final answer
    x = 129,638.89

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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.