Home / 285,276.29-393,592.15-164,401.14

Finding the Fourth Proportional to 285,276.29, 393,592.15 and 164,401.14

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Solution

The fourth proportional to 285,276.29, 393,592.15 and 164,401.14 is: 226,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,276.29 : 393,592.15 = 164,401.14 : x
  2. Step 2: Convert to fraction form
    285,276.29/393,592.15 = 164,401.14/x
  3. Step 3: Cross multiply
    285,276.29x = 393,592.15 × 164,401.14
  4. Step 4: Simplify right side
    285,276.29x = 64,706,998,155.05
  5. Step 5: Solve for x
    x = 64,706,998,155.05/285,276.29
  6. Step 6: Final answer
    x = 226,822.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.