Home / 132,785.52-183,222.57-79,069.15

Finding the Fourth Proportional to 132,785.52, 183,222.57 and 79,069.15

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Solution

The fourth proportional to 132,785.52, 183,222.57 and 79,069.15 is: 109,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,785.52 : 183,222.57 = 79,069.15 : x
  2. Step 2: Convert to fraction form
    132,785.52/183,222.57 = 79,069.15/x
  3. Step 3: Cross multiply
    132,785.52x = 183,222.57 × 79,069.15
  4. Step 4: Simplify right side
    132,785.52x = 14,487,252,870.72
  5. Step 5: Solve for x
    x = 14,487,252,870.72/132,785.52
  6. Step 6: Final answer
    x = 109,102.66

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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.