Home / 113,300.81-169,798.11-43,141.85

Finding the Fourth Proportional to 113,300.81, 169,798.11 and 43,141.85

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Solution

The fourth proportional to 113,300.81, 169,798.11 and 43,141.85 is: 64,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,300.81 : 169,798.11 = 43,141.85 : x
  2. Step 2: Convert to fraction form
    113,300.81/169,798.11 = 43,141.85/x
  3. Step 3: Cross multiply
    113,300.81x = 169,798.11 × 43,141.85
  4. Step 4: Simplify right side
    113,300.81x = 7,325,403,823.80
  5. Step 5: Solve for x
    x = 7,325,403,823.80/113,300.81
  6. Step 6: Final answer
    x = 64,654.47

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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.