Home / 152,195.81-210,063.31-88,541.96

Finding the Fourth Proportional to 152,195.81, 210,063.31 and 88,541.96

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Solution

The fourth proportional to 152,195.81, 210,063.31 and 88,541.96 is: 122,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,195.81 : 210,063.31 = 88,541.96 : x
  2. Step 2: Convert to fraction form
    152,195.81/210,063.31 = 88,541.96/x
  3. Step 3: Cross multiply
    152,195.81x = 210,063.31 × 88,541.96
  4. Step 4: Simplify right side
    152,195.81x = 18,599,415,919.82
  5. Step 5: Solve for x
    x = 18,599,415,919.82/152,195.81
  6. Step 6: Final answer
    x = 122,207.15

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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.