Home / 212,714.51-293,542.25-115,919.23

Finding the Fourth Proportional to 212,714.51, 293,542.25 and 115,919.23

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Solution

The fourth proportional to 212,714.51, 293,542.25 and 115,919.23 is: 159,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,714.51 : 293,542.25 = 115,919.23 : x
  2. Step 2: Convert to fraction form
    212,714.51/293,542.25 = 115,919.23/x
  3. Step 3: Cross multiply
    212,714.51x = 293,542.25 × 115,919.23
  4. Step 4: Simplify right side
    212,714.51x = 34,027,191,592.47
  5. Step 5: Solve for x
    x = 34,027,191,592.47/212,714.51
  6. Step 6: Final answer
    x = 159,966.48

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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.