Home / 211,670.80-292,105.36-116,177.76

Finding the Fourth Proportional to 211,670.80, 292,105.36 and 116,177.76

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Solution

The fourth proportional to 211,670.80, 292,105.36 and 116,177.76 is: 160,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,670.80 : 292,105.36 = 116,177.76 : x
  2. Step 2: Convert to fraction form
    211,670.80/292,105.36 = 116,177.76/x
  3. Step 3: Cross multiply
    211,670.80x = 292,105.36 × 116,177.76
  4. Step 4: Simplify right side
    211,670.80x = 33,936,146,408.79
  5. Step 5: Solve for x
    x = 33,936,146,408.79/211,670.80
  6. Step 6: Final answer
    x = 160,325.12

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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.