Home / 178,923.92-268,429.86-89,009.06

Finding the Fourth Proportional to 178,923.92, 268,429.86 and 89,009.06

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Solution

The fourth proportional to 178,923.92, 268,429.86 and 89,009.06 is: 133,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,923.92 : 268,429.86 = 89,009.06 : x
  2. Step 2: Convert to fraction form
    178,923.92/268,429.86 = 89,009.06/x
  3. Step 3: Cross multiply
    178,923.92x = 268,429.86 × 89,009.06
  4. Step 4: Simplify right side
    178,923.92x = 23,892,689,514.53
  5. Step 5: Solve for x
    x = 23,892,689,514.53/178,923.92
  6. Step 6: Final answer
    x = 133,535.47

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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.