Home / 119,111.55-164,374.26-65,400.04

Finding the Fourth Proportional to 119,111.55, 164,374.26 and 65,400.04

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Solution

The fourth proportional to 119,111.55, 164,374.26 and 65,400.04 is: 90,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,111.55 : 164,374.26 = 65,400.04 : x
  2. Step 2: Convert to fraction form
    119,111.55/164,374.26 = 65,400.04/x
  3. Step 3: Cross multiply
    119,111.55x = 164,374.26 × 65,400.04
  4. Step 4: Simplify right side
    119,111.55x = 10,750,083,178.97
  5. Step 5: Solve for x
    x = 10,750,083,178.97/119,111.55
  6. Step 6: Final answer
    x = 90,252.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.