Home / 165,916.80-248,875.20-60,811.20

Finding the Fourth Proportional to 165,916.80, 248,875.20 and 60,811.20

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Solution

The fourth proportional to 165,916.80, 248,875.20 and 60,811.20 is: 91,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,916.80 : 248,875.20 = 60,811.20 : x
  2. Step 2: Convert to fraction form
    165,916.80/248,875.20 = 60,811.20/x
  3. Step 3: Cross multiply
    165,916.80x = 248,875.20 × 60,811.20
  4. Step 4: Simplify right side
    165,916.80x = 15,134,399,562.24
  5. Step 5: Solve for x
    x = 15,134,399,562.24/165,916.80
  6. Step 6: Final answer
    x = 91,216.80

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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.