Home / 192,642.24-265,831.80-107,742.90

Finding the Fourth Proportional to 192,642.24, 265,831.80 and 107,742.90

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Solution

The fourth proportional to 192,642.24, 265,831.80 and 107,742.90 is: 148,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,642.24 : 265,831.80 = 107,742.90 : x
  2. Step 2: Convert to fraction form
    192,642.24/265,831.80 = 107,742.90/x
  3. Step 3: Cross multiply
    192,642.24x = 265,831.80 × 107,742.90
  4. Step 4: Simplify right side
    192,642.24x = 28,641,489,044.22
  5. Step 5: Solve for x
    x = 28,641,489,044.22/192,642.24
  6. Step 6: Final answer
    x = 148,677.10

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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.