Home / 296,607.12-444,954.06-86,217.72

Finding the Fourth Proportional to 296,607.12, 444,954.06 and 86,217.72

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Solution

The fourth proportional to 296,607.12, 444,954.06 and 86,217.72 is: 129,339.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,607.12 : 444,954.06 = 86,217.72 : x
  2. Step 2: Convert to fraction form
    296,607.12/444,954.06 = 86,217.72/x
  3. Step 3: Cross multiply
    296,607.12x = 444,954.06 × 86,217.72
  4. Step 4: Simplify right side
    296,607.12x = 38,362,924,557.94
  5. Step 5: Solve for x
    x = 38,362,924,557.94/296,607.12
  6. Step 6: Final answer
    x = 129,339.19

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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.