Home / 152,753.21-229,100.14-76,831.50

Finding the Fourth Proportional to 152,753.21, 229,100.14 and 76,831.50

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Solution

The fourth proportional to 152,753.21, 229,100.14 and 76,831.50 is: 115,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,753.21 : 229,100.14 = 76,831.50 : x
  2. Step 2: Convert to fraction form
    152,753.21/229,100.14 = 76,831.50/x
  3. Step 3: Cross multiply
    152,753.21x = 229,100.14 × 76,831.50
  4. Step 4: Simplify right side
    152,753.21x = 17,602,107,022.25
  5. Step 5: Solve for x
    x = 17,602,107,022.25/152,753.21
  6. Step 6: Final answer
    x = 115,232.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.