Home / 192,561.90-288,772.11-66,166.29

Finding the Fourth Proportional to 192,561.90, 288,772.11 and 66,166.29

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Solution

The fourth proportional to 192,561.90, 288,772.11 and 66,166.29 is: 99,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,561.90 : 288,772.11 = 66,166.29 : x
  2. Step 2: Convert to fraction form
    192,561.90/288,772.11 = 66,166.29/x
  3. Step 3: Cross multiply
    192,561.90x = 288,772.11 × 66,166.29
  4. Step 4: Simplify right side
    192,561.90x = 19,106,979,174.17
  5. Step 5: Solve for x
    x = 19,106,979,174.17/192,561.90
  6. Step 6: Final answer
    x = 99,225.13

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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.