Home / 132,925.98-183,431.38-79,209.80

Finding the Fourth Proportional to 132,925.98, 183,431.38 and 79,209.80

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Solution

The fourth proportional to 132,925.98, 183,431.38 and 79,209.80 is: 109,305.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,925.98 : 183,431.38 = 79,209.80 : x
  2. Step 2: Convert to fraction form
    132,925.98/183,431.38 = 79,209.80/x
  3. Step 3: Cross multiply
    132,925.98x = 183,431.38 × 79,209.80
  4. Step 4: Simplify right side
    132,925.98x = 14,529,562,923.52
  5. Step 5: Solve for x
    x = 14,529,562,923.52/132,925.98
  6. Step 6: Final answer
    x = 109,305.67

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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.