Home / 169,338.23-253,632.59-69,194.58

Finding the Fourth Proportional to 169,338.23, 253,632.59 and 69,194.58

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Solution

The fourth proportional to 169,338.23, 253,632.59 and 69,194.58 is: 103,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,338.23 : 253,632.59 = 69,194.58 : x
  2. Step 2: Convert to fraction form
    169,338.23/253,632.59 = 69,194.58/x
  3. Step 3: Cross multiply
    169,338.23x = 253,632.59 × 69,194.58
  4. Step 4: Simplify right side
    169,338.23x = 17,550,000,193.39
  5. Step 5: Solve for x
    x = 17,550,000,193.39/169,338.23
  6. Step 6: Final answer
    x = 103,638.74

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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.