Home / 285,156.81-393,614.82-164,346.30

Finding the Fourth Proportional to 285,156.81, 393,614.82 and 164,346.30

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Solution

The fourth proportional to 285,156.81, 393,614.82 and 164,346.30 is: 226,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,156.81 : 393,614.82 = 164,346.30 : x
  2. Step 2: Convert to fraction form
    285,156.81/393,614.82 = 164,346.30/x
  3. Step 3: Cross multiply
    285,156.81x = 393,614.82 × 164,346.30
  4. Step 4: Simplify right side
    285,156.81x = 64,689,139,292.17
  5. Step 5: Solve for x
    x = 64,689,139,292.17/285,156.81
  6. Step 6: Final answer
    x = 226,854.62

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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.