Home / 176,015.72-242,838.03-115,618.88

Finding the Fourth Proportional to 176,015.72, 242,838.03 and 115,618.88

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Solution

The fourth proportional to 176,015.72, 242,838.03 and 115,618.88 is: 159,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,015.72 : 242,838.03 = 115,618.88 : x
  2. Step 2: Convert to fraction form
    176,015.72/242,838.03 = 115,618.88/x
  3. Step 3: Cross multiply
    176,015.72x = 242,838.03 × 115,618.88
  4. Step 4: Simplify right side
    176,015.72x = 28,076,659,835.82
  5. Step 5: Solve for x
    x = 28,076,659,835.82/176,015.72
  6. Step 6: Final answer
    x = 159,512.23

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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.