Home / 159,042.86-238,558.80-40,715.22

Finding the Fourth Proportional to 159,042.86, 238,558.80 and 40,715.22

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Solution

The fourth proportional to 159,042.86, 238,558.80 and 40,715.22 is: 61,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,042.86 : 238,558.80 = 40,715.22 : x
  2. Step 2: Convert to fraction form
    159,042.86/238,558.80 = 40,715.22/x
  3. Step 3: Cross multiply
    159,042.86x = 238,558.80 × 40,715.22
  4. Step 4: Simplify right side
    159,042.86x = 9,712,974,024.94
  5. Step 5: Solve for x
    x = 9,712,974,024.94/159,042.86
  6. Step 6: Final answer
    x = 61,071.42

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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.