Home / 191,297.28-263,959.20-106,412.16

Finding the Fourth Proportional to 191,297.28, 263,959.20 and 106,412.16

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Solution

The fourth proportional to 191,297.28, 263,959.20 and 106,412.16 is: 146,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,297.28 : 263,959.20 = 106,412.16 : x
  2. Step 2: Convert to fraction form
    191,297.28/263,959.20 = 106,412.16/x
  3. Step 3: Cross multiply
    191,297.28x = 263,959.20 × 106,412.16
  4. Step 4: Simplify right side
    191,297.28x = 28,088,468,623.87
  5. Step 5: Solve for x
    x = 28,088,468,623.87/191,297.28
  6. Step 6: Final answer
    x = 146,831.51

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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.