Home / 119,061.80-178,352.79-79,103.28

Finding the Fourth Proportional to 119,061.80, 178,352.79 and 79,103.28

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Solution

The fourth proportional to 119,061.80, 178,352.79 and 79,103.28 is: 118,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,061.80 : 178,352.79 = 79,103.28 : x
  2. Step 2: Convert to fraction form
    119,061.80/178,352.79 = 79,103.28/x
  3. Step 3: Cross multiply
    119,061.80x = 178,352.79 × 79,103.28
  4. Step 4: Simplify right side
    119,061.80x = 14,108,291,058.34
  5. Step 5: Solve for x
    x = 14,108,291,058.34/119,061.80
  6. Step 6: Final answer
    x = 118,495.53

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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.