Home / 113,187.83-156,198.29-61,504.47

Finding the Fourth Proportional to 113,187.83, 156,198.29 and 61,504.47

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Solution

The fourth proportional to 113,187.83, 156,198.29 and 61,504.47 is: 84,875.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.83 : 156,198.29 = 61,504.47 : x
  2. Step 2: Convert to fraction form
    113,187.83/156,198.29 = 61,504.47/x
  3. Step 3: Cross multiply
    113,187.83x = 156,198.29 × 61,504.47
  4. Step 4: Simplify right side
    113,187.83x = 9,606,892,733.83
  5. Step 5: Solve for x
    x = 9,606,892,733.83/113,187.83
  6. Step 6: Final answer
    x = 84,875.67

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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.