Home / 113,534.92-170,302.38-43,421.32

Finding the Fourth Proportional to 113,534.92, 170,302.38 and 43,421.32

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Solution

The fourth proportional to 113,534.92, 170,302.38 and 43,421.32 is: 65,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,534.92 : 170,302.38 = 43,421.32 : x
  2. Step 2: Convert to fraction form
    113,534.92/170,302.38 = 43,421.32/x
  3. Step 3: Cross multiply
    113,534.92x = 170,302.38 × 43,421.32
  4. Step 4: Simplify right side
    113,534.92x = 7,394,754,138.74
  5. Step 5: Solve for x
    x = 7,394,754,138.74/113,534.92
  6. Step 6: Final answer
    x = 65,131.98

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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.