Home / 352,091.21-528,177.78-127,557.32

Finding the Fourth Proportional to 352,091.21, 528,177.78 and 127,557.32

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Solution

The fourth proportional to 352,091.21, 528,177.78 and 127,557.32 is: 191,350.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,091.21 : 528,177.78 = 127,557.32 : x
  2. Step 2: Convert to fraction form
    352,091.21/528,177.78 = 127,557.32/x
  3. Step 3: Cross multiply
    352,091.21x = 528,177.78 × 127,557.32
  4. Step 4: Simplify right side
    352,091.21x = 67,372,939,459.46
  5. Step 5: Solve for x
    x = 67,372,939,459.46/352,091.21
  6. Step 6: Final answer
    x = 191,350.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.