Home / 142,346.91-213,596.49-92,415.27

Finding the Fourth Proportional to 142,346.91, 213,596.49 and 92,415.27

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Solution

The fourth proportional to 142,346.91, 213,596.49 and 92,415.27 is: 138,672.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,346.91 : 213,596.49 = 92,415.27 : x
  2. Step 2: Convert to fraction form
    142,346.91/213,596.49 = 92,415.27/x
  3. Step 3: Cross multiply
    142,346.91x = 213,596.49 × 92,415.27
  4. Step 4: Simplify right side
    142,346.91x = 19,739,577,294.40
  5. Step 5: Solve for x
    x = 19,739,577,294.40/142,346.91
  6. Step 6: Final answer
    x = 138,672.33

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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.