Home / 191,826.14-287,822.12-102,975.88

Finding the Fourth Proportional to 191,826.14, 287,822.12 and 102,975.88

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Solution

The fourth proportional to 191,826.14, 287,822.12 and 102,975.88 is: 154,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,826.14 : 287,822.12 = 102,975.88 : x
  2. Step 2: Convert to fraction form
    191,826.14/287,822.12 = 102,975.88/x
  3. Step 3: Cross multiply
    191,826.14x = 287,822.12 × 102,975.88
  4. Step 4: Simplify right side
    191,826.14x = 29,638,736,090.47
  5. Step 5: Solve for x
    x = 29,638,736,090.47/191,826.14
  6. Step 6: Final answer
    x = 154,508.33

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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.