Home / 132,928.32-183,436.74-75,564.12

Finding the Fourth Proportional to 132,928.32, 183,436.74 and 75,564.12

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Solution

The fourth proportional to 132,928.32, 183,436.74 and 75,564.12 is: 104,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,928.32 : 183,436.74 = 75,564.12 : x
  2. Step 2: Convert to fraction form
    132,928.32/183,436.74 = 75,564.12/x
  3. Step 3: Cross multiply
    132,928.32x = 183,436.74 × 75,564.12
  4. Step 4: Simplify right side
    132,928.32x = 13,861,235,833.77
  5. Step 5: Solve for x
    x = 13,861,235,833.77/132,928.32
  6. Step 6: Final answer
    x = 104,276.02

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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.