Home / 191,385.20-287,119.33-58,262.02

Finding the Fourth Proportional to 191,385.20, 287,119.33 and 58,262.02

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Solution

The fourth proportional to 191,385.20, 287,119.33 and 58,262.02 is: 87,405.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385.20 : 287,119.33 = 58,262.02 : x
  2. Step 2: Convert to fraction form
    191,385.20/287,119.33 = 58,262.02/x
  3. Step 3: Cross multiply
    191,385.20x = 287,119.33 × 58,262.02
  4. Step 4: Simplify right side
    191,385.20x = 16,728,151,283.39
  5. Step 5: Solve for x
    x = 16,728,151,283.39/191,385.20
  6. Step 6: Final answer
    x = 87,405.67

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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.