Home / 164,431.12-226,831.35-99,883.23

Finding the Fourth Proportional to 164,431.12, 226,831.35 and 99,883.23

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Solution

The fourth proportional to 164,431.12, 226,831.35 and 99,883.23 is: 137,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,431.12 : 226,831.35 = 99,883.23 : x
  2. Step 2: Convert to fraction form
    164,431.12/226,831.35 = 99,883.23/x
  3. Step 3: Cross multiply
    164,431.12x = 226,831.35 × 99,883.23
  4. Step 4: Simplify right side
    164,431.12x = 22,656,646,769.10
  5. Step 5: Solve for x
    x = 22,656,646,769.10/164,431.12
  6. Step 6: Final answer
    x = 137,788.07

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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.