Home / 107,886.78-148,947.54-95,916.99

Finding the Fourth Proportional to 107,886.78, 148,947.54 and 95,916.99

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Solution

The fourth proportional to 107,886.78, 148,947.54 and 95,916.99 is: 132,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,886.78 : 148,947.54 = 95,916.99 : x
  2. Step 2: Convert to fraction form
    107,886.78/148,947.54 = 95,916.99/x
  3. Step 3: Cross multiply
    107,886.78x = 148,947.54 × 95,916.99
  4. Step 4: Simplify right side
    107,886.78x = 14,286,599,225.12
  5. Step 5: Solve for x
    x = 14,286,599,225.12/107,886.78
  6. Step 6: Final answer
    x = 132,422.15

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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.