Home / 301,503.03-452,320.20-91,135.50

Finding the Fourth Proportional to 301,503.03, 452,320.20 and 91,135.50

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Solution

The fourth proportional to 301,503.03, 452,320.20 and 91,135.50 is: 136,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,503.03 : 452,320.20 = 91,135.50 : x
  2. Step 2: Convert to fraction form
    301,503.03/452,320.20 = 91,135.50/x
  3. Step 3: Cross multiply
    301,503.03x = 452,320.20 × 91,135.50
  4. Step 4: Simplify right side
    301,503.03x = 41,222,427,587.10
  5. Step 5: Solve for x
    x = 41,222,427,587.10/301,503.03
  6. Step 6: Final answer
    x = 136,723.10

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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.