Home / 165,440.12-248,039.18-53,056.36

Finding the Fourth Proportional to 165,440.12, 248,039.18 and 53,056.36

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Solution

The fourth proportional to 165,440.12, 248,039.18 and 53,056.36 is: 79,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,440.12 : 248,039.18 = 53,056.36 : x
  2. Step 2: Convert to fraction form
    165,440.12/248,039.18 = 53,056.36/x
  3. Step 3: Cross multiply
    165,440.12x = 248,039.18 × 53,056.36
  4. Step 4: Simplify right side
    165,440.12x = 13,160,056,028.18
  5. Step 5: Solve for x
    x = 13,160,056,028.18/165,440.12
  6. Step 6: Final answer
    x = 79,545.74

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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.