Home / 132,660.92-183,075.35-72,234.87

Finding the Fourth Proportional to 132,660.92, 183,075.35 and 72,234.87

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Solution

The fourth proportional to 132,660.92, 183,075.35 and 72,234.87 is: 99,685.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,660.92 : 183,075.35 = 72,234.87 : x
  2. Step 2: Convert to fraction form
    132,660.92/183,075.35 = 72,234.87/x
  3. Step 3: Cross multiply
    132,660.92x = 183,075.35 × 72,234.87
  4. Step 4: Simplify right side
    132,660.92x = 13,224,424,107.45
  5. Step 5: Solve for x
    x = 13,224,424,107.45/132,660.92
  6. Step 6: Final answer
    x = 99,685.91

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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.