Home / 293,276.16-404,721.36-159,140.16

Finding the Fourth Proportional to 293,276.16, 404,721.36 and 159,140.16

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Solution

The fourth proportional to 293,276.16, 404,721.36 and 159,140.16 is: 219,613.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,276.16 : 404,721.36 = 159,140.16 : x
  2. Step 2: Convert to fraction form
    293,276.16/404,721.36 = 159,140.16/x
  3. Step 3: Cross multiply
    293,276.16x = 404,721.36 × 159,140.16
  4. Step 4: Simplify right side
    293,276.16x = 64,407,421,985.82
  5. Step 5: Solve for x
    x = 64,407,421,985.82/293,276.16
  6. Step 6: Final answer
    x = 219,613.56

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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.