Home / 142,456.08-213,733.26-53,734.98

Finding the Fourth Proportional to 142,456.08, 213,733.26 and 53,734.98

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Solution

The fourth proportional to 142,456.08, 213,733.26 and 53,734.98 is: 80,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,456.08 : 213,733.26 = 53,734.98 : x
  2. Step 2: Convert to fraction form
    142,456.08/213,733.26 = 53,734.98/x
  3. Step 3: Cross multiply
    142,456.08x = 213,733.26 × 53,734.98
  4. Step 4: Simplify right side
    142,456.08x = 11,484,952,451.43
  5. Step 5: Solve for x
    x = 11,484,952,451.43/142,456.08
  6. Step 6: Final answer
    x = 80,621.01

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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.