Home / 179,436.43-268,900.74-99,509.55

Finding the Fourth Proportional to 179,436.43, 268,900.74 and 99,509.55

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Solution

The fourth proportional to 179,436.43, 268,900.74 and 99,509.55 is: 149,123.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,436.43 : 268,900.74 = 99,509.55 : x
  2. Step 2: Convert to fraction form
    179,436.43/268,900.74 = 99,509.55/x
  3. Step 3: Cross multiply
    179,436.43x = 268,900.74 × 99,509.55
  4. Step 4: Simplify right side
    179,436.43x = 26,758,191,632.07
  5. Step 5: Solve for x
    x = 26,758,191,632.07/179,436.43
  6. Step 6: Final answer
    x = 149,123.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.