Home / 191,826.76-287,894.22-86,654.92

Finding the Fourth Proportional to 191,826.76, 287,894.22 and 86,654.92

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Solution

The fourth proportional to 191,826.76, 287,894.22 and 86,654.92 is: 130,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,826.76 : 287,894.22 = 86,654.92 : x
  2. Step 2: Convert to fraction form
    191,826.76/287,894.22 = 86,654.92/x
  3. Step 3: Cross multiply
    191,826.76x = 287,894.22 × 86,654.92
  4. Step 4: Simplify right side
    191,826.76x = 24,947,450,602.56
  5. Step 5: Solve for x
    x = 24,947,450,602.56/191,826.76
  6. Step 6: Final answer
    x = 130,051.98

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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.