Home / 231,069.84-346,624.20-81,294.36

Finding the Fourth Proportional to 231,069.84, 346,624.20 and 81,294.36

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Solution

The fourth proportional to 231,069.84, 346,624.20 and 81,294.36 is: 121,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,069.84 : 346,624.20 = 81,294.36 : x
  2. Step 2: Convert to fraction form
    231,069.84/346,624.20 = 81,294.36/x
  3. Step 3: Cross multiply
    231,069.84x = 346,624.20 × 81,294.36
  4. Step 4: Simplify right side
    231,069.84x = 28,178,592,499.51
  5. Step 5: Solve for x
    x = 28,178,592,499.51/231,069.84
  6. Step 6: Final answer
    x = 121,948.38

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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.