Home / 119,405.04-164,774.52-65,686.56

Finding the Fourth Proportional to 119,405.04, 164,774.52 and 65,686.56

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Solution

The fourth proportional to 119,405.04, 164,774.52 and 65,686.56 is: 90,645.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,405.04 : 164,774.52 = 65,686.56 : x
  2. Step 2: Convert to fraction form
    119,405.04/164,774.52 = 65,686.56/x
  3. Step 3: Cross multiply
    119,405.04x = 164,774.52 × 65,686.56
  4. Step 4: Simplify right side
    119,405.04x = 10,823,471,394.45
  5. Step 5: Solve for x
    x = 10,823,471,394.45/119,405.04
  6. Step 6: Final answer
    x = 90,645.01

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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.