Home / 113,186.08-156,195.87-61,502.72

Finding the Fourth Proportional to 113,186.08, 156,195.87 and 61,502.72

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Solution

The fourth proportional to 113,186.08, 156,195.87 and 61,502.72 is: 84,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186.08 : 156,195.87 = 61,502.72 : x
  2. Step 2: Convert to fraction form
    113,186.08/156,195.87 = 61,502.72/x
  3. Step 3: Cross multiply
    113,186.08x = 156,195.87 × 61,502.72
  4. Step 4: Simplify right side
    113,186.08x = 9,606,470,857.77
  5. Step 5: Solve for x
    x = 9,606,470,857.77/113,186.08
  6. Step 6: Final answer
    x = 84,873.26

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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.