Home / 166,959.36-230,438.64-153,509.30

Finding the Fourth Proportional to 166,959.36, 230,438.64 and 153,509.30

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Solution

The fourth proportional to 166,959.36, 230,438.64 and 153,509.30 is: 211,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,959.36 : 230,438.64 = 153,509.30 : x
  2. Step 2: Convert to fraction form
    166,959.36/230,438.64 = 153,509.30/x
  3. Step 3: Cross multiply
    166,959.36x = 230,438.64 × 153,509.30
  4. Step 4: Simplify right side
    166,959.36x = 35,374,474,319.35
  5. Step 5: Solve for x
    x = 35,374,474,319.35/166,959.36
  6. Step 6: Final answer
    x = 211,874.76

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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.