Home / 119,401.22-164,660.58-76,394.32

Finding the Fourth Proportional to 119,401.22, 164,660.58 and 76,394.32

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Solution

The fourth proportional to 119,401.22, 164,660.58 and 76,394.32 is: 105,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,401.22 : 164,660.58 = 76,394.32 : x
  2. Step 2: Convert to fraction form
    119,401.22/164,660.58 = 76,394.32/x
  3. Step 3: Cross multiply
    119,401.22x = 164,660.58 × 76,394.32
  4. Step 4: Simplify right side
    119,401.22x = 12,579,132,628.25
  5. Step 5: Solve for x
    x = 12,579,132,628.25/119,401.22
  6. Step 6: Final answer
    x = 105,351.79

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1.5x scale

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.