Home / 211,128.93-316,708.72-59,348.43

Finding the Fourth Proportional to 211,128.93, 316,708.72 and 59,348.43

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Solution

The fourth proportional to 211,128.93, 316,708.72 and 59,348.43 is: 89,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,128.93 : 316,708.72 = 59,348.43 : x
  2. Step 2: Convert to fraction form
    211,128.93/316,708.72 = 59,348.43/x
  3. Step 3: Cross multiply
    211,128.93x = 316,708.72 × 59,348.43
  4. Step 4: Simplify right side
    211,128.93x = 18,796,165,150.94
  5. Step 5: Solve for x
    x = 18,796,165,150.94/211,128.93
  6. Step 6: Final answer
    x = 89,026.95

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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.