Home / 234,571.94-323,707.45-127,139.21

Finding the Fourth Proportional to 234,571.94, 323,707.45 and 127,139.21

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Solution

The fourth proportional to 234,571.94, 323,707.45 and 127,139.21 is: 175,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,571.94 : 323,707.45 = 127,139.21 : x
  2. Step 2: Convert to fraction form
    234,571.94/323,707.45 = 127,139.21/x
  3. Step 3: Cross multiply
    234,571.94x = 323,707.45 × 127,139.21
  4. Step 4: Simplify right side
    234,571.94x = 41,155,909,464.11
  5. Step 5: Solve for x
    x = 41,155,909,464.11/234,571.94
  6. Step 6: Final answer
    x = 175,451.12

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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.