Home / 119,039.18-164,278.82-65,326.13

Finding the Fourth Proportional to 119,039.18, 164,278.82 and 65,326.13

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Solution

The fourth proportional to 119,039.18, 164,278.82 and 65,326.13 is: 90,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039.18 : 164,278.82 = 65,326.13 : x
  2. Step 2: Convert to fraction form
    119,039.18/164,278.82 = 65,326.13/x
  3. Step 3: Cross multiply
    119,039.18x = 164,278.82 × 65,326.13
  4. Step 4: Simplify right side
    119,039.18x = 10,731,698,403.54
  5. Step 5: Solve for x
    x = 10,731,698,403.54/119,039.18
  6. Step 6: Final answer
    x = 90,152.66

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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.