Home / 351,515.16-527,268.06-85,277.88

Finding the Fourth Proportional to 351,515.16, 527,268.06 and 85,277.88

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Solution

The fourth proportional to 351,515.16, 527,268.06 and 85,277.88 is: 127,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,515.16 : 527,268.06 = 85,277.88 : x
  2. Step 2: Convert to fraction form
    351,515.16/527,268.06 = 85,277.88/x
  3. Step 3: Cross multiply
    351,515.16x = 527,268.06 × 85,277.88
  4. Step 4: Simplify right side
    351,515.16x = 44,964,302,348.51
  5. Step 5: Solve for x
    x = 44,964,302,348.51/351,515.16
  6. Step 6: Final answer
    x = 127,915.68

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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.