Home / 211,007.40-316,514.30-68,852.04

Finding the Fourth Proportional to 211,007.40, 316,514.30 and 68,852.04

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Solution

The fourth proportional to 211,007.40, 316,514.30 and 68,852.04 is: 103,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,007.40 : 316,514.30 = 68,852.04 : x
  2. Step 2: Convert to fraction form
    211,007.40/316,514.30 = 68,852.04/x
  3. Step 3: Cross multiply
    211,007.40x = 316,514.30 × 68,852.04
  4. Step 4: Simplify right side
    211,007.40x = 21,792,655,244.17
  5. Step 5: Solve for x
    x = 21,792,655,244.17/211,007.40
  6. Step 6: Final answer
    x = 103,279.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.