Home / 132,772.17-183,141.87-79,017.06

Finding the Fourth Proportional to 132,772.17, 183,141.87 and 79,017.06

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Solution

The fourth proportional to 132,772.17, 183,141.87 and 79,017.06 is: 108,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,772.17 : 183,141.87 = 79,017.06 : x
  2. Step 2: Convert to fraction form
    132,772.17/183,141.87 = 79,017.06/x
  3. Step 3: Cross multiply
    132,772.17x = 183,141.87 × 79,017.06
  4. Step 4: Simplify right side
    132,772.17x = 14,471,332,130.30
  5. Step 5: Solve for x
    x = 14,471,332,130.30/132,772.17
  6. Step 6: Final answer
    x = 108,993.72

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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.