Home / 285,141.06-393,592.97-164,330.57

Finding the Fourth Proportional to 285,141.06, 393,592.97 and 164,330.57

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Solution

The fourth proportional to 285,141.06, 393,592.97 and 164,330.57 is: 226,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,141.06 : 393,592.97 = 164,330.57 : x
  2. Step 2: Convert to fraction form
    285,141.06/393,592.97 = 164,330.57/x
  3. Step 3: Cross multiply
    285,141.06x = 393,592.97 × 164,330.57
  4. Step 4: Simplify right side
    285,141.06x = 64,679,358,502.90
  5. Step 5: Solve for x
    x = 64,679,358,502.90/285,141.06
  6. Step 6: Final answer
    x = 226,832.85

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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.