Home / 191,897.10-287,845.38-51,655.86

Finding the Fourth Proportional to 191,897.10, 287,845.38 and 51,655.86

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Solution

The fourth proportional to 191,897.10, 287,845.38 and 51,655.86 is: 77,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,897.10 : 287,845.38 = 51,655.86 : x
  2. Step 2: Convert to fraction form
    191,897.10/287,845.38 = 51,655.86/x
  3. Step 3: Cross multiply
    191,897.10x = 287,845.38 × 51,655.86
  4. Step 4: Simplify right side
    191,897.10x = 14,868,900,650.93
  5. Step 5: Solve for x
    x = 14,868,900,650.93/191,897.10
  6. Step 6: Final answer
    x = 77,483.72

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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.