Home / 119,334.15-164,675.48-65,621.43

Finding the Fourth Proportional to 119,334.15, 164,675.48 and 65,621.43

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Solution

The fourth proportional to 119,334.15, 164,675.48 and 65,621.43 is: 90,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,334.15 : 164,675.48 = 65,621.43 : x
  2. Step 2: Convert to fraction form
    119,334.15/164,675.48 = 65,621.43/x
  3. Step 3: Cross multiply
    119,334.15x = 164,675.48 × 65,621.43
  4. Step 4: Simplify right side
    119,334.15x = 10,806,239,824.21
  5. Step 5: Solve for x
    x = 10,806,239,824.21/119,334.15
  6. Step 6: Final answer
    x = 90,554.47

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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.