Home / 285,134.22-393,572.87-164,356.24

Finding the Fourth Proportional to 285,134.22, 393,572.87 and 164,356.24

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Solution

The fourth proportional to 285,134.22, 393,572.87 and 164,356.24 is: 226,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,134.22 : 393,572.87 = 164,356.24 : x
  2. Step 2: Convert to fraction form
    285,134.22/393,572.87 = 164,356.24/x
  3. Step 3: Cross multiply
    285,134.22x = 393,572.87 × 164,356.24
  4. Step 4: Simplify right side
    285,134.22x = 64,686,154,781.53
  5. Step 5: Solve for x
    x = 64,686,154,781.53/285,134.22
  6. Step 6: Final answer
    x = 226,862.12

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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.