Home / 152,436.80-228,572.71-121,048.79

Finding the Fourth Proportional to 152,436.80, 228,572.71 and 121,048.79

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Solution

The fourth proportional to 152,436.80, 228,572.71 and 121,048.79 is: 181,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,436.80 : 228,572.71 = 121,048.79 : x
  2. Step 2: Convert to fraction form
    152,436.80/228,572.71 = 121,048.79/x
  3. Step 3: Cross multiply
    152,436.80x = 228,572.71 × 121,048.79
  4. Step 4: Simplify right side
    152,436.80x = 27,668,449,972.52
  5. Step 5: Solve for x
    x = 27,668,449,972.52/152,436.80
  6. Step 6: Final answer
    x = 181,507.68

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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.