Home / 159,143.89-238,587.12-52,461.27

Finding the Fourth Proportional to 159,143.89, 238,587.12 and 52,461.27

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Solution

The fourth proportional to 159,143.89, 238,587.12 and 52,461.27 is: 78,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,143.89 : 238,587.12 = 52,461.27 : x
  2. Step 2: Convert to fraction form
    159,143.89/238,587.12 = 52,461.27/x
  3. Step 3: Cross multiply
    159,143.89x = 238,587.12 × 52,461.27
  4. Step 4: Simplify right side
    159,143.89x = 12,516,583,320.84
  5. Step 5: Solve for x
    x = 12,516,583,320.84/159,143.89
  6. Step 6: Final answer
    x = 78,649.47

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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.