Home / 176,721.10-265,081.65-120,733.90

Finding the Fourth Proportional to 176,721.10, 265,081.65 and 120,733.90

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Solution

The fourth proportional to 176,721.10, 265,081.65 and 120,733.90 is: 181,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,721.10 : 265,081.65 = 120,733.90 : x
  2. Step 2: Convert to fraction form
    176,721.10/265,081.65 = 120,733.90/x
  3. Step 3: Cross multiply
    176,721.10x = 265,081.65 × 120,733.90
  4. Step 4: Simplify right side
    176,721.10x = 32,004,341,422.94
  5. Step 5: Solve for x
    x = 32,004,341,422.94/176,721.10
  6. Step 6: Final answer
    x = 181,100.85

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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.