Home / 169,338.54-253,829.98-56,979.76

Finding the Fourth Proportional to 169,338.54, 253,829.98 and 56,979.76

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Solution

The fourth proportional to 169,338.54, 253,829.98 and 56,979.76 is: 85,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,338.54 : 253,829.98 = 56,979.76 : x
  2. Step 2: Convert to fraction form
    169,338.54/253,829.98 = 56,979.76/x
  3. Step 3: Cross multiply
    169,338.54x = 253,829.98 × 56,979.76
  4. Step 4: Simplify right side
    169,338.54x = 14,463,171,341.20
  5. Step 5: Solve for x
    x = 14,463,171,341.20/169,338.54
  6. Step 6: Final answer
    x = 85,409.80

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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.