Home / 207,827.21-286,801.37-112,333.90

Finding the Fourth Proportional to 207,827.21, 286,801.37 and 112,333.90

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Solution

The fourth proportional to 207,827.21, 286,801.37 and 112,333.90 is: 155,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,827.21 : 286,801.37 = 112,333.90 : x
  2. Step 2: Convert to fraction form
    207,827.21/286,801.37 = 112,333.90/x
  3. Step 3: Cross multiply
    207,827.21x = 286,801.37 × 112,333.90
  4. Step 4: Simplify right side
    207,827.21x = 32,217,515,855.77
  5. Step 5: Solve for x
    x = 32,217,515,855.77/207,827.21
  6. Step 6: Final answer
    x = 155,020.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.