Home / 269,166.18-403,811.76-91,674.72

Finding the Fourth Proportional to 269,166.18, 403,811.76 and 91,674.72

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Solution

The fourth proportional to 269,166.18, 403,811.76 and 91,674.72 is: 137,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,166.18 : 403,811.76 = 91,674.72 : x
  2. Step 2: Convert to fraction form
    269,166.18/403,811.76 = 91,674.72/x
  3. Step 3: Cross multiply
    269,166.18x = 403,811.76 × 91,674.72
  4. Step 4: Simplify right side
    269,166.18x = 37,019,330,030.71
  5. Step 5: Solve for x
    x = 37,019,330,030.71/269,166.18
  6. Step 6: Final answer
    x = 137,533.36

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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.