Home / 211,248.15-316,839.08-69,092.28

Finding the Fourth Proportional to 211,248.15, 316,839.08 and 69,092.28

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Solution

The fourth proportional to 211,248.15, 316,839.08 and 69,092.28 is: 103,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,248.15 : 316,839.08 = 69,092.28 : x
  2. Step 2: Convert to fraction form
    211,248.15/316,839.08 = 69,092.28/x
  3. Step 3: Cross multiply
    211,248.15x = 316,839.08 × 69,092.28
  4. Step 4: Simplify right side
    211,248.15x = 21,891,134,084.84
  5. Step 5: Solve for x
    x = 21,891,134,084.84/211,248.15
  6. Step 6: Final answer
    x = 103,627.58

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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.