Home / 191,748.18-287,622.28-58,628.42

Finding the Fourth Proportional to 191,748.18, 287,622.28 and 58,628.42

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Solution

The fourth proportional to 191,748.18, 287,622.28 and 58,628.42 is: 87,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,748.18 : 287,622.28 = 58,628.42 : x
  2. Step 2: Convert to fraction form
    191,748.18/287,622.28 = 58,628.42/x
  3. Step 3: Cross multiply
    191,748.18x = 287,622.28 × 58,628.42
  4. Step 4: Simplify right side
    191,748.18x = 16,862,839,833.20
  5. Step 5: Solve for x
    x = 16,862,839,833.20/191,748.18
  6. Step 6: Final answer
    x = 87,942.63

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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.