Home / 191,455.25-287,099.44-58,304.21

Finding the Fourth Proportional to 191,455.25, 287,099.44 and 58,304.21

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Solution

The fourth proportional to 191,455.25, 287,099.44 and 58,304.21 is: 87,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,455.25 : 287,099.44 = 58,304.21 : x
  2. Step 2: Convert to fraction form
    191,455.25/287,099.44 = 58,304.21/x
  3. Step 3: Cross multiply
    191,455.25x = 287,099.44 × 58,304.21
  4. Step 4: Simplify right side
    191,455.25x = 16,739,104,459.38
  5. Step 5: Solve for x
    x = 16,739,104,459.38/191,455.25
  6. Step 6: Final answer
    x = 87,430.90

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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.