Home / 171,859.16-237,316.30-107,438.52

Finding the Fourth Proportional to 171,859.16, 237,316.30 and 107,438.52

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Solution

The fourth proportional to 171,859.16, 237,316.30 and 107,438.52 is: 148,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,859.16 : 237,316.30 = 107,438.52 : x
  2. Step 2: Convert to fraction form
    171,859.16/237,316.30 = 107,438.52/x
  3. Step 3: Cross multiply
    171,859.16x = 237,316.30 × 107,438.52
  4. Step 4: Simplify right side
    171,859.16x = 25,496,912,043.88
  5. Step 5: Solve for x
    x = 25,496,912,043.88/171,859.16
  6. Step 6: Final answer
    x = 148,359.34

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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.