Home / 163,859.18-245,786.66-89,453.34

Finding the Fourth Proportional to 163,859.18, 245,786.66 and 89,453.34

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Solution

The fourth proportional to 163,859.18, 245,786.66 and 89,453.34 is: 134,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,859.18 : 245,786.66 = 89,453.34 : x
  2. Step 2: Convert to fraction form
    163,859.18/245,786.66 = 89,453.34/x
  3. Step 3: Cross multiply
    163,859.18x = 245,786.66 × 89,453.34
  4. Step 4: Simplify right side
    163,859.18x = 21,986,437,217.18
  5. Step 5: Solve for x
    x = 21,986,437,217.18/163,859.18
  6. Step 6: Final answer
    x = 134,178.86

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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.