Home / 179,381.61-268,574.13-90,365.22

Finding the Fourth Proportional to 179,381.61, 268,574.13 and 90,365.22

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Solution

The fourth proportional to 179,381.61, 268,574.13 and 90,365.22 is: 135,296.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,381.61 : 268,574.13 = 90,365.22 : x
  2. Step 2: Convert to fraction form
    179,381.61/268,574.13 = 90,365.22/x
  3. Step 3: Cross multiply
    179,381.61x = 268,574.13 × 90,365.22
  4. Step 4: Simplify right side
    179,381.61x = 24,269,760,343.76
  5. Step 5: Solve for x
    x = 24,269,760,343.76/179,381.61
  6. Step 6: Final answer
    x = 135,296.81

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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.