Home / 285,275.29-393,590.77-164,400.14

Finding the Fourth Proportional to 285,275.29, 393,590.77 and 164,400.14

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Solution

The fourth proportional to 285,275.29, 393,590.77 and 164,400.14 is: 226,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,275.29 : 393,590.77 = 164,400.14 : x
  2. Step 2: Convert to fraction form
    285,275.29/393,590.77 = 164,400.14/x
  3. Step 3: Cross multiply
    285,275.29x = 393,590.77 × 164,400.14
  4. Step 4: Simplify right side
    285,275.29x = 64,706,377,619.09
  5. Step 5: Solve for x
    x = 64,706,377,619.09/285,275.29
  6. Step 6: Final answer
    x = 226,820.83

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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.