Home / 211,714.71-292,165.05-114,920.49

Finding the Fourth Proportional to 211,714.71, 292,165.05 and 114,920.49

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Solution

The fourth proportional to 211,714.71, 292,165.05 and 114,920.49 is: 158,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,714.71 : 292,165.05 = 114,920.49 : x
  2. Step 2: Convert to fraction form
    211,714.71/292,165.05 = 114,920.49/x
  3. Step 3: Cross multiply
    211,714.71x = 292,165.05 × 114,920.49
  4. Step 4: Simplify right side
    211,714.71x = 33,575,750,706.87
  5. Step 5: Solve for x
    x = 33,575,750,706.87/211,714.71
  6. Step 6: Final answer
    x = 158,589.60

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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.