Home / 133,025.76-183,661.92-102,758.40

Finding the Fourth Proportional to 133,025.76, 183,661.92 and 102,758.40

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Solution

The fourth proportional to 133,025.76, 183,661.92 and 102,758.40 is: 141,873.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,025.76 : 183,661.92 = 102,758.40 : x
  2. Step 2: Convert to fraction form
    133,025.76/183,661.92 = 102,758.40/x
  3. Step 3: Cross multiply
    133,025.76x = 183,661.92 × 102,758.40
  4. Step 4: Simplify right side
    133,025.76x = 18,872,805,040.13
  5. Step 5: Solve for x
    x = 18,872,805,040.13/133,025.76
  6. Step 6: Final answer
    x = 141,873.31

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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.