Home / 191,886.32-287,843.28-58,749.26

Finding the Fourth Proportional to 191,886.32, 287,843.28 and 58,749.26

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Solution

The fourth proportional to 191,886.32, 287,843.28 and 58,749.26 is: 88,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,886.32 : 287,843.28 = 58,749.26 : x
  2. Step 2: Convert to fraction form
    191,886.32/287,843.28 = 58,749.26/x
  3. Step 3: Cross multiply
    191,886.32x = 287,843.28 × 58,749.26
  4. Step 4: Simplify right side
    191,886.32x = 16,910,579,695.97
  5. Step 5: Solve for x
    x = 16,910,579,695.97/191,886.32
  6. Step 6: Final answer
    x = 88,128.12

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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.