Home / 482,020.48-723,131.85-145,085.77

Finding the Fourth Proportional to 482,020.48, 723,131.85 and 145,085.77

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Solution

The fourth proportional to 482,020.48, 723,131.85 and 145,085.77 is: 217,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,020.48 : 723,131.85 = 145,085.77 : x
  2. Step 2: Convert to fraction form
    482,020.48/723,131.85 = 145,085.77/x
  3. Step 3: Cross multiply
    482,020.48x = 723,131.85 × 145,085.77
  4. Step 4: Simplify right side
    482,020.48x = 104,916,141,268.77
  5. Step 5: Solve for x
    x = 104,916,141,268.77/482,020.48
  6. Step 6: Final answer
    x = 217,659.09

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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.