Home / 215,970.48-323,953.38-73,814.40

Finding the Fourth Proportional to 215,970.48, 323,953.38 and 73,814.40

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Solution

The fourth proportional to 215,970.48, 323,953.38 and 73,814.40 is: 110,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,970.48 : 323,953.38 = 73,814.40 : x
  2. Step 2: Convert to fraction form
    215,970.48/323,953.38 = 73,814.40/x
  3. Step 3: Cross multiply
    215,970.48x = 323,953.38 × 73,814.40
  4. Step 4: Simplify right side
    215,970.48x = 23,912,424,372.67
  5. Step 5: Solve for x
    x = 23,912,424,372.67/215,970.48
  6. Step 6: Final answer
    x = 110,720.80

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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.