Home / 191,585.09-287,376.82-58,464.90

Finding the Fourth Proportional to 191,585.09, 287,376.82 and 58,464.90

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Solution

The fourth proportional to 191,585.09, 287,376.82 and 58,464.90 is: 87,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,585.09 : 287,376.82 = 58,464.90 : x
  2. Step 2: Convert to fraction form
    191,585.09/287,376.82 = 58,464.90/x
  3. Step 3: Cross multiply
    191,585.09x = 287,376.82 × 58,464.90
  4. Step 4: Simplify right side
    191,585.09x = 16,801,457,043.62
  5. Step 5: Solve for x
    x = 16,801,457,043.62/191,585.09
  6. Step 6: Final answer
    x = 87,697.10

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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.