Home / 238,503.24-329,140.53-131,076

Finding the Fourth Proportional to 238,503.24, 329,140.53 and 131,076

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Solution

The fourth proportional to 238,503.24, 329,140.53 and 131,076 is: 180,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,503.24 : 329,140.53 = 131,076 : x
  2. Step 2: Convert to fraction form
    238,503.24/329,140.53 = 131,076/x
  3. Step 3: Cross multiply
    238,503.24x = 329,140.53 × 131,076
  4. Step 4: Simplify right side
    238,503.24x = 43,142,424,110.28
  5. Step 5: Solve for x
    x = 43,142,424,110.28/238,503.24
  6. Step 6: Final answer
    x = 180,888.21

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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.