Home / 114,828.38-158,466.60-63,142.80

Finding the Fourth Proportional to 114,828.38, 158,466.60 and 63,142.80

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Solution

The fourth proportional to 114,828.38, 158,466.60 and 63,142.80 is: 87,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,828.38 : 158,466.60 = 63,142.80 : x
  2. Step 2: Convert to fraction form
    114,828.38/158,466.60 = 63,142.80/x
  3. Step 3: Cross multiply
    114,828.38x = 158,466.60 × 63,142.80
  4. Step 4: Simplify right side
    114,828.38x = 10,006,024,830.48
  5. Step 5: Solve for x
    x = 10,006,024,830.48/114,828.38
  6. Step 6: Final answer
    x = 87,138.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.