Home / 191,842.12-287,714.07-56,874.63

Finding the Fourth Proportional to 191,842.12, 287,714.07 and 56,874.63

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Solution

The fourth proportional to 191,842.12, 287,714.07 and 56,874.63 is: 85,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,842.12 : 287,714.07 = 56,874.63 : x
  2. Step 2: Convert to fraction form
    191,842.12/287,714.07 = 56,874.63/x
  3. Step 3: Cross multiply
    191,842.12x = 287,714.07 × 56,874.63
  4. Step 4: Simplify right side
    191,842.12x = 16,363,631,277.04
  5. Step 5: Solve for x
    x = 16,363,631,277.04/191,842.12
  6. Step 6: Final answer
    x = 85,297.39

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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.