Home / 211,150.60-316,726.81-61,391.52

Finding the Fourth Proportional to 211,150.60, 316,726.81 and 61,391.52

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Solution

The fourth proportional to 211,150.60, 316,726.81 and 61,391.52 is: 92,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,150.60 : 316,726.81 = 61,391.52 : x
  2. Step 2: Convert to fraction form
    211,150.60/316,726.81 = 61,391.52/x
  3. Step 3: Cross multiply
    211,150.60x = 316,726.81 × 61,391.52
  4. Step 4: Simplify right side
    211,150.60x = 19,444,340,137.17
  5. Step 5: Solve for x
    x = 19,444,340,137.17/211,150.60
  6. Step 6: Final answer
    x = 92,087.54

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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.