Home / 155,558.15-233,385.66-55,719.21

Finding the Fourth Proportional to 155,558.15, 233,385.66 and 55,719.21

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Solution

The fourth proportional to 155,558.15, 233,385.66 and 55,719.21 is: 83,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,558.15 : 233,385.66 = 55,719.21 : x
  2. Step 2: Convert to fraction form
    155,558.15/233,385.66 = 55,719.21/x
  3. Step 3: Cross multiply
    155,558.15x = 233,385.66 × 55,719.21
  4. Step 4: Simplify right side
    155,558.15x = 13,004,063,433.60
  5. Step 5: Solve for x
    x = 13,004,063,433.60/155,558.15
  6. Step 6: Final answer
    x = 83,596.16

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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.