Home / 119,718.41-165,212.53-66,005.35

Finding the Fourth Proportional to 119,718.41, 165,212.53 and 66,005.35

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Solution

The fourth proportional to 119,718.41, 165,212.53 and 66,005.35 is: 91,088.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,718.41 : 165,212.53 = 66,005.35 : x
  2. Step 2: Convert to fraction form
    119,718.41/165,212.53 = 66,005.35/x
  3. Step 3: Cross multiply
    119,718.41x = 165,212.53 × 66,005.35
  4. Step 4: Simplify right side
    119,718.41x = 10,904,910,776.72
  5. Step 5: Solve for x
    x = 10,904,910,776.72/119,718.41
  6. Step 6: Final answer
    x = 91,088.00

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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.