Home / 109,864.61-164,796.91-104,254.95

Finding the Fourth Proportional to 109,864.61, 164,796.91 and 104,254.95

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Solution

The fourth proportional to 109,864.61, 164,796.91 and 104,254.95 is: 156,382.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,864.61 : 164,796.91 = 104,254.95 : x
  2. Step 2: Convert to fraction form
    109,864.61/164,796.91 = 104,254.95/x
  3. Step 3: Cross multiply
    109,864.61x = 164,796.91 × 104,254.95
  4. Step 4: Simplify right side
    109,864.61x = 17,180,893,612.20
  5. Step 5: Solve for x
    x = 17,180,893,612.20/109,864.61
  6. Step 6: Final answer
    x = 156,382.42

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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.