Home / 234,945.15-324,224.49-127,515.17

Finding the Fourth Proportional to 234,945.15, 324,224.49 and 127,515.17

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Solution

The fourth proportional to 234,945.15, 324,224.49 and 127,515.17 is: 175,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,945.15 : 324,224.49 = 127,515.17 : x
  2. Step 2: Convert to fraction form
    234,945.15/324,224.49 = 127,515.17/x
  3. Step 3: Cross multiply
    234,945.15x = 324,224.49 × 127,515.17
  4. Step 4: Simplify right side
    234,945.15x = 41,343,539,339.39
  5. Step 5: Solve for x
    x = 41,343,539,339.39/234,945.15
  6. Step 6: Final answer
    x = 175,971.03

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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.