Home / 117,721.95-176,578.96-51,162.08

Finding the Fourth Proportional to 117,721.95, 176,578.96 and 51,162.08

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Solution

The fourth proportional to 117,721.95, 176,578.96 and 51,162.08 is: 76,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,721.95 : 176,578.96 = 51,162.08 : x
  2. Step 2: Convert to fraction form
    117,721.95/176,578.96 = 51,162.08/x
  3. Step 3: Cross multiply
    117,721.95x = 176,578.96 × 51,162.08
  4. Step 4: Simplify right side
    117,721.95x = 9,034,146,877.84
  5. Step 5: Solve for x
    x = 9,034,146,877.84/117,721.95
  6. Step 6: Final answer
    x = 76,741.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.