Home / 113,278.36-169,811.40-38,346.08

Finding the Fourth Proportional to 113,278.36, 169,811.40 and 38,346.08

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Solution

The fourth proportional to 113,278.36, 169,811.40 and 38,346.08 is: 57,483.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,278.36 : 169,811.40 = 38,346.08 : x
  2. Step 2: Convert to fraction form
    113,278.36/169,811.40 = 38,346.08/x
  3. Step 3: Cross multiply
    113,278.36x = 169,811.40 × 38,346.08
  4. Step 4: Simplify right side
    113,278.36x = 6,511,601,529.31
  5. Step 5: Solve for x
    x = 6,511,601,529.31/113,278.36
  6. Step 6: Final answer
    x = 57,483.19

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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.