Home / 166,686.40-230,021.36-95,089.28

Finding the Fourth Proportional to 166,686.40, 230,021.36 and 95,089.28

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Solution

The fourth proportional to 166,686.40, 230,021.36 and 95,089.28 is: 131,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,686.40 : 230,021.36 = 95,089.28 : x
  2. Step 2: Convert to fraction form
    166,686.40/230,021.36 = 95,089.28/x
  3. Step 3: Cross multiply
    166,686.40x = 230,021.36 × 95,089.28
  4. Step 4: Simplify right side
    166,686.40x = 21,872,565,507.02
  5. Step 5: Solve for x
    x = 21,872,565,507.02/166,686.40
  6. Step 6: Final answer
    x = 131,219.86

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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.