Home / 152,752.70-229,099.39-76,831.00

Finding the Fourth Proportional to 152,752.70, 229,099.39 and 76,831.00

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Solution

The fourth proportional to 152,752.70, 229,099.39 and 76,831.00 is: 115,231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,752.70 : 229,099.39 = 76,831.00 : x
  2. Step 2: Convert to fraction form
    152,752.70/229,099.39 = 76,831.00/x
  3. Step 3: Cross multiply
    152,752.70x = 229,099.39 × 76,831.00
  4. Step 4: Simplify right side
    152,752.70x = 17,601,934,468.26
  5. Step 5: Solve for x
    x = 17,601,934,468.26/152,752.70
  6. Step 6: Final answer
    x = 115,231.57

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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.