Home / 146,167.55-201,711.80-79,099.55

Finding the Fourth Proportional to 146,167.55, 201,711.80 and 79,099.55

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Solution

The fourth proportional to 146,167.55, 201,711.80 and 79,099.55 is: 109,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,167.55 : 201,711.80 = 79,099.55 : x
  2. Step 2: Convert to fraction form
    146,167.55/201,711.80 = 79,099.55/x
  3. Step 3: Cross multiply
    146,167.55x = 201,711.80 × 79,099.55
  4. Step 4: Simplify right side
    146,167.55x = 15,955,311,798.88
  5. Step 5: Solve for x
    x = 15,955,311,798.88/146,167.55
  6. Step 6: Final answer
    x = 109,157.69

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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.