Home / 166,681.72-230,011.95-91,215.64

Finding the Fourth Proportional to 166,681.72, 230,011.95 and 91,215.64

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Solution

The fourth proportional to 166,681.72, 230,011.95 and 91,215.64 is: 125,872.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,681.72 : 230,011.95 = 91,215.64 : x
  2. Step 2: Convert to fraction form
    166,681.72/230,011.95 = 91,215.64/x
  3. Step 3: Cross multiply
    166,681.72x = 230,011.95 × 91,215.64
  4. Step 4: Simplify right side
    166,681.72x = 20,980,687,226.90
  5. Step 5: Solve for x
    x = 20,980,687,226.90/166,681.72
  6. Step 6: Final answer
    x = 125,872.75

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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.