Home / 275,549.16-380,212.56-162,356.52

Finding the Fourth Proportional to 275,549.16, 380,212.56 and 162,356.52

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Solution

The fourth proportional to 275,549.16, 380,212.56 and 162,356.52 is: 224,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,549.16 : 380,212.56 = 162,356.52 : x
  2. Step 2: Convert to fraction form
    275,549.16/380,212.56 = 162,356.52/x
  3. Step 3: Cross multiply
    275,549.16x = 380,212.56 × 162,356.52
  4. Step 4: Simplify right side
    275,549.16x = 61,729,988,101.89
  5. Step 5: Solve for x
    x = 61,729,988,101.89/275,549.16
  6. Step 6: Final answer
    x = 224,025.32

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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.