Home / 238,495.15-329,107.39-131,062.87

Finding the Fourth Proportional to 238,495.15, 329,107.39 and 131,062.87

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Solution

The fourth proportional to 238,495.15, 329,107.39 and 131,062.87 is: 180,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,495.15 : 329,107.39 = 131,062.87 : x
  2. Step 2: Convert to fraction form
    238,495.15/329,107.39 = 131,062.87/x
  3. Step 3: Cross multiply
    238,495.15x = 329,107.39 × 131,062.87
  4. Step 4: Simplify right side
    238,495.15x = 43,133,759,071.61
  5. Step 5: Solve for x
    x = 43,133,759,071.61/238,495.15
  6. Step 6: Final answer
    x = 180,858.01

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1.5x scale

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.