Home / 101,825.18-152,539.08-66,658.22

Finding the Fourth Proportional to 101,825.18, 152,539.08 and 66,658.22

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Solution

The fourth proportional to 101,825.18, 152,539.08 and 66,658.22 is: 99,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,825.18 : 152,539.08 = 66,658.22 : x
  2. Step 2: Convert to fraction form
    101,825.18/152,539.08 = 66,658.22/x
  3. Step 3: Cross multiply
    101,825.18x = 152,539.08 × 66,658.22
  4. Step 4: Simplify right side
    101,825.18x = 10,167,983,553.24
  5. Step 5: Solve for x
    x = 10,167,983,553.24/101,825.18
  6. Step 6: Final answer
    x = 99,857.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.