Home / 301,640.15-452,459.82-77,000.57

Finding the Fourth Proportional to 301,640.15, 452,459.82 and 77,000.57

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Solution

The fourth proportional to 301,640.15, 452,459.82 and 77,000.57 is: 115,500.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,640.15 : 452,459.82 = 77,000.57 : x
  2. Step 2: Convert to fraction form
    301,640.15/452,459.82 = 77,000.57/x
  3. Step 3: Cross multiply
    301,640.15x = 452,459.82 × 77,000.57
  4. Step 4: Simplify right side
    301,640.15x = 34,839,663,657.09
  5. Step 5: Solve for x
    x = 34,839,663,657.09/301,640.15
  6. Step 6: Final answer
    x = 115,500.75

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1.5x scale

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.