Home / 132,811.62-183,299.55-87,482.34

Finding the Fourth Proportional to 132,811.62, 183,299.55 and 87,482.34

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Solution

The fourth proportional to 132,811.62, 183,299.55 and 87,482.34 is: 120,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,811.62 : 183,299.55 = 87,482.34 : x
  2. Step 2: Convert to fraction form
    132,811.62/183,299.55 = 87,482.34/x
  3. Step 3: Cross multiply
    132,811.62x = 183,299.55 × 87,482.34
  4. Step 4: Simplify right side
    132,811.62x = 16,035,473,554.95
  5. Step 5: Solve for x
    x = 16,035,473,554.95/132,811.62
  6. Step 6: Final answer
    x = 120,738.48

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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.