Home / 110,234.92-151,979.28-79,582.16

Finding the Fourth Proportional to 110,234.92, 151,979.28 and 79,582.16

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Solution

The fourth proportional to 110,234.92, 151,979.28 and 79,582.16 is: 109,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,234.92 : 151,979.28 = 79,582.16 : x
  2. Step 2: Convert to fraction form
    110,234.92/151,979.28 = 79,582.16/x
  3. Step 3: Cross multiply
    110,234.92x = 151,979.28 × 79,582.16
  4. Step 4: Simplify right side
    110,234.92x = 12,094,839,377.64
  5. Step 5: Solve for x
    x = 12,094,839,377.64/110,234.92
  6. Step 6: Final answer
    x = 109,718.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.