Home / 287,920.44-397,313.10-167,052.36

Finding the Fourth Proportional to 287,920.44, 397,313.10 and 167,052.36

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Solution

The fourth proportional to 287,920.44, 397,313.10 and 167,052.36 is: 230,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,920.44 : 397,313.10 = 167,052.36 : x
  2. Step 2: Convert to fraction form
    287,920.44/397,313.10 = 167,052.36/x
  3. Step 3: Cross multiply
    287,920.44x = 397,313.10 × 167,052.36
  4. Step 4: Simplify right side
    287,920.44x = 66,372,091,013.92
  5. Step 5: Solve for x
    x = 66,372,091,013.92/287,920.44
  6. Step 6: Final answer
    x = 230,522.33

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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.