Home / 199,265.14-298,690.10-86,915.19

Finding the Fourth Proportional to 199,265.14, 298,690.10 and 86,915.19

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Solution

The fourth proportional to 199,265.14, 298,690.10 and 86,915.19 is: 130,282.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,265.14 : 298,690.10 = 86,915.19 : x
  2. Step 2: Convert to fraction form
    199,265.14/298,690.10 = 86,915.19/x
  3. Step 3: Cross multiply
    199,265.14x = 298,690.10 × 86,915.19
  4. Step 4: Simplify right side
    199,265.14x = 25,960,706,792.62
  5. Step 5: Solve for x
    x = 25,960,706,792.62/199,265.14
  6. Step 6: Final answer
    x = 130,282.23

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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.