Home / 132,983.56-183,499.12-76,394.92

Finding the Fourth Proportional to 132,983.56, 183,499.12 and 76,394.92

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Solution

The fourth proportional to 132,983.56, 183,499.12 and 76,394.92 is: 105,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,983.56 : 183,499.12 = 76,394.92 : x
  2. Step 2: Convert to fraction form
    132,983.56/183,499.12 = 76,394.92/x
  3. Step 3: Cross multiply
    132,983.56x = 183,499.12 × 76,394.92
  4. Step 4: Simplify right side
    132,983.56x = 14,018,400,592.47
  5. Step 5: Solve for x
    x = 14,018,400,592.47/132,983.56
  6. Step 6: Final answer
    x = 105,414.54

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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.