Home / 234,945.48-324,225.09-127,515.51

Finding the Fourth Proportional to 234,945.48, 324,225.09 and 127,515.51

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Solution

The fourth proportional to 234,945.48, 324,225.09 and 127,515.51 is: 175,971.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,945.48 : 324,225.09 = 127,515.51 : x
  2. Step 2: Convert to fraction form
    234,945.48/324,225.09 = 127,515.51/x
  3. Step 3: Cross multiply
    234,945.48x = 324,225.09 × 127,515.51
  4. Step 4: Simplify right side
    234,945.48x = 41,343,727,876.43
  5. Step 5: Solve for x
    x = 41,343,727,876.43/234,945.48
  6. Step 6: Final answer
    x = 175,971.58

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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.