Home / 665,228.29-997,860.85-191,913.63

Finding the Fourth Proportional to 665,228.29, 997,860.85 and 191,913.63

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Solution

The fourth proportional to 665,228.29, 997,860.85 and 191,913.63 is: 287,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,228.29 : 997,860.85 = 191,913.63 : x
  2. Step 2: Convert to fraction form
    665,228.29/997,860.85 = 191,913.63/x
  3. Step 3: Cross multiply
    665,228.29x = 997,860.85 × 191,913.63
  4. Step 4: Simplify right side
    665,228.29x = 191,503,092,969.08
  5. Step 5: Solve for x
    x = 191,503,092,969.08/665,228.29
  6. Step 6: Final answer
    x = 287,875.75

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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.