Home / 234,877.83-324,215.45-139,384.50

Finding the Fourth Proportional to 234,877.83, 324,215.45 and 139,384.50

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Solution

The fourth proportional to 234,877.83, 324,215.45 and 139,384.50 is: 192,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,877.83 : 324,215.45 = 139,384.50 : x
  2. Step 2: Convert to fraction form
    234,877.83/324,215.45 = 139,384.50/x
  3. Step 3: Cross multiply
    234,877.83x = 324,215.45 × 139,384.50
  4. Step 4: Simplify right side
    234,877.83x = 45,190,608,390.53
  5. Step 5: Solve for x
    x = 45,190,608,390.53/234,877.83
  6. Step 6: Final answer
    x = 192,400.48

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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.