Home / 192,623.74-288,863.76-66,228.20

Finding the Fourth Proportional to 192,623.74, 288,863.76 and 66,228.20

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Solution

The fourth proportional to 192,623.74, 288,863.76 and 66,228.20 is: 99,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,623.74 : 288,863.76 = 66,228.20 : x
  2. Step 2: Convert to fraction form
    192,623.74/288,863.76 = 66,228.20/x
  3. Step 3: Cross multiply
    192,623.74x = 288,863.76 × 66,228.20
  4. Step 4: Simplify right side
    192,623.74x = 19,130,926,870.03
  5. Step 5: Solve for x
    x = 19,130,926,870.03/192,623.74
  6. Step 6: Final answer
    x = 99,317.60

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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.