Home / 163,789.68-245,822.76-113,159.28

Finding the Fourth Proportional to 163,789.68, 245,822.76 and 113,159.28

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Solution

The fourth proportional to 163,789.68, 245,822.76 and 113,159.28 is: 169,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,789.68 : 245,822.76 = 113,159.28 : x
  2. Step 2: Convert to fraction form
    163,789.68/245,822.76 = 113,159.28/x
  3. Step 3: Cross multiply
    163,789.68x = 245,822.76 × 113,159.28
  4. Step 4: Simplify right side
    163,789.68x = 27,817,126,529.21
  5. Step 5: Solve for x
    x = 27,817,126,529.21/163,789.68
  6. Step 6: Final answer
    x = 169,834.43

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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.