Home / 349,799.31-524,432.28-109,774.77

Finding the Fourth Proportional to 349,799.31, 524,432.28 and 109,774.77

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Solution

The fourth proportional to 349,799.31, 524,432.28 and 109,774.77 is: 164,578.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,799.31 : 524,432.28 = 109,774.77 : x
  2. Step 2: Convert to fraction form
    349,799.31/524,432.28 = 109,774.77/x
  3. Step 3: Cross multiply
    349,799.31x = 524,432.28 × 109,774.77
  4. Step 4: Simplify right side
    349,799.31x = 57,569,432,917.58
  5. Step 5: Solve for x
    x = 57,569,432,917.58/349,799.31
  6. Step 6: Final answer
    x = 164,578.46

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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.