Home / 191,708.08-287,562.11-58,587.21

Finding the Fourth Proportional to 191,708.08, 287,562.11 and 58,587.21

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Solution

The fourth proportional to 191,708.08, 287,562.11 and 58,587.21 is: 87,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,708.08 : 287,562.11 = 58,587.21 : x
  2. Step 2: Convert to fraction form
    191,708.08/287,562.11 = 58,587.21/x
  3. Step 3: Cross multiply
    191,708.08x = 287,562.11 × 58,587.21
  4. Step 4: Simplify right side
    191,708.08x = 16,847,461,433.68
  5. Step 5: Solve for x
    x = 16,847,461,433.68/191,708.08
  6. Step 6: Final answer
    x = 87,880.81

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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.