Home / 234,998.16-324,288.12-127,564.56

Finding the Fourth Proportional to 234,998.16, 324,288.12 and 127,564.56

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Solution

The fourth proportional to 234,998.16, 324,288.12 and 127,564.56 is: 176,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,998.16 : 324,288.12 = 127,564.56 : x
  2. Step 2: Convert to fraction form
    234,998.16/324,288.12 = 127,564.56/x
  3. Step 3: Cross multiply
    234,998.16x = 324,288.12 × 127,564.56
  4. Step 4: Simplify right side
    234,998.16x = 41,367,671,341.03
  5. Step 5: Solve for x
    x = 41,367,671,341.03/234,998.16
  6. Step 6: Final answer
    x = 176,034.02

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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.