Home / 356,743.18-535,143.89-179,158.86

Finding the Fourth Proportional to 356,743.18, 535,143.89 and 179,158.86

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Solution

The fourth proportional to 356,743.18, 535,143.89 and 179,158.86 is: 268,752.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,743.18 : 535,143.89 = 179,158.86 : x
  2. Step 2: Convert to fraction form
    356,743.18/535,143.89 = 179,158.86/x
  3. Step 3: Cross multiply
    356,743.18x = 535,143.89 × 179,158.86
  4. Step 4: Simplify right side
    356,743.18x = 95,875,769,268.37
  5. Step 5: Solve for x
    x = 95,875,769,268.37/356,743.18
  6. Step 6: Final answer
    x = 268,752.91

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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.