Home / 300,829.10-415,152.51-166,693.10

Finding the Fourth Proportional to 300,829.10, 415,152.51 and 166,693.10

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Solution

The fourth proportional to 300,829.10, 415,152.51 and 166,693.10 is: 230,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,829.10 : 415,152.51 = 166,693.10 : x
  2. Step 2: Convert to fraction form
    300,829.10/415,152.51 = 166,693.10/x
  3. Step 3: Cross multiply
    300,829.10x = 415,152.51 × 166,693.10
  4. Step 4: Simplify right side
    300,829.10x = 69,203,058,864.68
  5. Step 5: Solve for x
    x = 69,203,058,864.68/300,829.10
  6. Step 6: Final answer
    x = 230,041.11

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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.