Home / 152,816.48-229,223.69-83,138.66

Finding the Fourth Proportional to 152,816.48, 229,223.69 and 83,138.66

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Solution

The fourth proportional to 152,816.48, 229,223.69 and 83,138.66 is: 124,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,816.48 : 229,223.69 = 83,138.66 : x
  2. Step 2: Convert to fraction form
    152,816.48/229,223.69 = 83,138.66/x
  3. Step 3: Cross multiply
    152,816.48x = 229,223.69 × 83,138.66
  4. Step 4: Simplify right side
    152,816.48x = 19,057,350,426.86
  5. Step 5: Solve for x
    x = 19,057,350,426.86/152,816.48
  6. Step 6: Final answer
    x = 124,707.43

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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.