Home / 152,988.20-211,063.24-88,445.56

Finding the Fourth Proportional to 152,988.20, 211,063.24 and 88,445.56

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Solution

The fourth proportional to 152,988.20, 211,063.24 and 88,445.56 is: 122,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,988.20 : 211,063.24 = 88,445.56 : x
  2. Step 2: Convert to fraction form
    152,988.20/211,063.24 = 88,445.56/x
  3. Step 3: Cross multiply
    152,988.20x = 211,063.24 × 88,445.56
  4. Step 4: Simplify right side
    152,988.20x = 18,667,606,831.60
  5. Step 5: Solve for x
    x = 18,667,606,831.60/152,988.20
  6. Step 6: Final answer
    x = 122,019.91

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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.