Home / 186,790.65-257,692.55-130,234.83

Finding the Fourth Proportional to 186,790.65, 257,692.55 and 130,234.83

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Solution

The fourth proportional to 186,790.65, 257,692.55 and 130,234.83 is: 179,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,790.65 : 257,692.55 = 130,234.83 : x
  2. Step 2: Convert to fraction form
    186,790.65/257,692.55 = 130,234.83/x
  3. Step 3: Cross multiply
    186,790.65x = 257,692.55 × 130,234.83
  4. Step 4: Simplify right side
    186,790.65x = 33,560,545,441.52
  5. Step 5: Solve for x
    x = 33,560,545,441.52/186,790.65
  6. Step 6: Final answer
    x = 179,669.30

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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.