Home / 234,047.40-323,024.04-143,453.76

Finding the Fourth Proportional to 234,047.40, 323,024.04 and 143,453.76

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Solution

The fourth proportional to 234,047.40, 323,024.04 and 143,453.76 is: 197,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,047.40 : 323,024.04 = 143,453.76 : x
  2. Step 2: Convert to fraction form
    234,047.40/323,024.04 = 143,453.76/x
  3. Step 3: Cross multiply
    234,047.40x = 323,024.04 × 143,453.76
  4. Step 4: Simplify right side
    234,047.40x = 46,339,013,108.39
  5. Step 5: Solve for x
    x = 46,339,013,108.39/234,047.40
  6. Step 6: Final answer
    x = 197,989.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.