Home / 285,359.27-393,799.92-164,498.36

Finding the Fourth Proportional to 285,359.27, 393,799.92 and 164,498.36

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Solution

The fourth proportional to 285,359.27, 393,799.92 and 164,498.36 is: 227,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,359.27 : 393,799.92 = 164,498.36 : x
  2. Step 2: Convert to fraction form
    285,359.27/393,799.92 = 164,498.36/x
  3. Step 3: Cross multiply
    285,359.27x = 393,799.92 × 164,498.36
  4. Step 4: Simplify right side
    285,359.27x = 64,779,441,008.13
  5. Step 5: Solve for x
    x = 64,779,441,008.13/285,359.27
  6. Step 6: Final answer
    x = 227,010.12

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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.