Home / 176,040.72-242,845.83-115,602.57

Finding the Fourth Proportional to 176,040.72, 242,845.83 and 115,602.57

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Solution

The fourth proportional to 176,040.72, 242,845.83 and 115,602.57 is: 159,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,040.72 : 242,845.83 = 115,602.57 : x
  2. Step 2: Convert to fraction form
    176,040.72/242,845.83 = 115,602.57/x
  3. Step 3: Cross multiply
    176,040.72x = 242,845.83 × 115,602.57
  4. Step 4: Simplify right side
    176,040.72x = 28,073,602,061.78
  5. Step 5: Solve for x
    x = 28,073,602,061.78/176,040.72
  6. Step 6: Final answer
    x = 159,472.21

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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.