Home / 103,845.24-143,306.34-56,098.56

Finding the Fourth Proportional to 103,845.24, 143,306.34 and 56,098.56

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Solution

The fourth proportional to 103,845.24, 143,306.34 and 56,098.56 is: 77,415.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,845.24 : 143,306.34 = 56,098.56 : x
  2. Step 2: Convert to fraction form
    103,845.24/143,306.34 = 56,098.56/x
  3. Step 3: Cross multiply
    103,845.24x = 143,306.34 × 56,098.56
  4. Step 4: Simplify right side
    103,845.24x = 8,039,279,312.87
  5. Step 5: Solve for x
    x = 8,039,279,312.87/103,845.24
  6. Step 6: Final answer
    x = 77,415.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.