Home / 179,119.59-268,457.95-90,398.46

Finding the Fourth Proportional to 179,119.59, 268,457.95 and 90,398.46

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Solution

The fourth proportional to 179,119.59, 268,457.95 and 90,398.46 is: 135,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,119.59 : 268,457.95 = 90,398.46 : x
  2. Step 2: Convert to fraction form
    179,119.59/268,457.95 = 90,398.46/x
  3. Step 3: Cross multiply
    179,119.59x = 268,457.95 × 90,398.46
  4. Step 4: Simplify right side
    179,119.59x = 24,268,185,865.98
  5. Step 5: Solve for x
    x = 24,268,185,865.98/179,119.59
  6. Step 6: Final answer
    x = 135,485.94

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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.