Home / 103,651.72-155,188.85-52,940.93

Finding the Fourth Proportional to 103,651.72, 155,188.85 and 52,940.93

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Solution

The fourth proportional to 103,651.72, 155,188.85 and 52,940.93 is: 79,263.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.72 : 155,188.85 = 52,940.93 : x
  2. Step 2: Convert to fraction form
    103,651.72/155,188.85 = 52,940.93/x
  3. Step 3: Cross multiply
    103,651.72x = 155,188.85 × 52,940.93
  4. Step 4: Simplify right side
    103,651.72x = 8,215,841,003.98
  5. Step 5: Solve for x
    x = 8,215,841,003.98/103,651.72
  6. Step 6: Final answer
    x = 79,263.92

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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.