Home / 164,389.08-226,844.01-100,718.22

Finding the Fourth Proportional to 164,389.08, 226,844.01 and 100,718.22

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Solution

The fourth proportional to 164,389.08, 226,844.01 and 100,718.22 is: 138,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,389.08 : 226,844.01 = 100,718.22 : x
  2. Step 2: Convert to fraction form
    164,389.08/226,844.01 = 100,718.22/x
  3. Step 3: Cross multiply
    164,389.08x = 226,844.01 × 100,718.22
  4. Step 4: Simplify right side
    164,389.08x = 22,847,324,904.86
  5. Step 5: Solve for x
    x = 22,847,324,904.86/164,389.08
  6. Step 6: Final answer
    x = 138,983.23

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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.