Home / 651,965.85-977,938.37-178,651.21

Finding the Fourth Proportional to 651,965.85, 977,938.37 and 178,651.21

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Solution

The fourth proportional to 651,965.85, 977,938.37 and 178,651.21 is: 267,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,965.85 : 977,938.37 = 178,651.21 : x
  2. Step 2: Convert to fraction form
    651,965.85/977,938.37 = 178,651.21/x
  3. Step 3: Cross multiply
    651,965.85x = 977,938.37 × 178,651.21
  4. Step 4: Simplify right side
    651,965.85x = 174,709,873,105.93
  5. Step 5: Solve for x
    x = 174,709,873,105.93/651,965.85
  6. Step 6: Final answer
    x = 267,973.96

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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.