Home / 192,801.01-289,145.98-66,436.15

Finding the Fourth Proportional to 192,801.01, 289,145.98 and 66,436.15

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Solution

The fourth proportional to 192,801.01, 289,145.98 and 66,436.15 is: 99,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,801.01 : 289,145.98 = 66,436.15 : x
  2. Step 2: Convert to fraction form
    192,801.01/289,145.98 = 66,436.15/x
  3. Step 3: Cross multiply
    192,801.01x = 289,145.98 × 66,436.15
  4. Step 4: Simplify right side
    192,801.01x = 19,209,745,699.18
  5. Step 5: Solve for x
    x = 19,209,745,699.18/192,801.01
  6. Step 6: Final answer
    x = 99,635.09

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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.