Home / 211,623.71-292,044.35-116,139.29

Finding the Fourth Proportional to 211,623.71, 292,044.35 and 116,139.29

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Solution

The fourth proportional to 211,623.71, 292,044.35 and 116,139.29 is: 160,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,623.71 : 292,044.35 = 116,139.29 : x
  2. Step 2: Convert to fraction form
    211,623.71/292,044.35 = 116,139.29/x
  3. Step 3: Cross multiply
    211,623.71x = 292,044.35 × 116,139.29
  4. Step 4: Simplify right side
    211,623.71x = 33,917,822,287.64
  5. Step 5: Solve for x
    x = 33,917,822,287.64/211,623.71
  6. Step 6: Final answer
    x = 160,274.21

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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.