Home / 191,567.10-287,350.65-51,339.90

Finding the Fourth Proportional to 191,567.10, 287,350.65 and 51,339.90

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Solution

The fourth proportional to 191,567.10, 287,350.65 and 51,339.90 is: 77,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,567.10 : 287,350.65 = 51,339.90 : x
  2. Step 2: Convert to fraction form
    191,567.10/287,350.65 = 51,339.90/x
  3. Step 3: Cross multiply
    191,567.10x = 287,350.65 × 51,339.90
  4. Step 4: Simplify right side
    191,567.10x = 14,752,553,635.94
  5. Step 5: Solve for x
    x = 14,752,553,635.94/191,567.10
  6. Step 6: Final answer
    x = 77,009.85

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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.