Home / 112,260.48-168,301.92-42,132

Finding the Fourth Proportional to 112,260.48, 168,301.92 and 42,132

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Solution

The fourth proportional to 112,260.48, 168,301.92 and 42,132 is: 63,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.48 : 168,301.92 = 42,132 : x
  2. Step 2: Convert to fraction form
    112,260.48/168,301.92 = 42,132/x
  3. Step 3: Cross multiply
    112,260.48x = 168,301.92 × 42,132
  4. Step 4: Simplify right side
    112,260.48x = 7,090,896,493.44
  5. Step 5: Solve for x
    x = 7,090,896,493.44/112,260.48
  6. Step 6: Final answer
    x = 63,164.67

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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.