Home / 152,921.30-210,958.16-107,624.41

Finding the Fourth Proportional to 152,921.30, 210,958.16 and 107,624.41

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Solution

The fourth proportional to 152,921.30, 210,958.16 and 107,624.41 is: 148,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,921.30 : 210,958.16 = 107,624.41 : x
  2. Step 2: Convert to fraction form
    152,921.30/210,958.16 = 107,624.41/x
  3. Step 3: Cross multiply
    152,921.30x = 210,958.16 × 107,624.41
  4. Step 4: Simplify right side
    152,921.30x = 22,704,246,439.17
  5. Step 5: Solve for x
    x = 22,704,246,439.17/152,921.30
  6. Step 6: Final answer
    x = 148,470.14

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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.