Home / 107,378.98-148,185-59,636.80

Finding the Fourth Proportional to 107,378.98, 148,185 and 59,636.80

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Solution

The fourth proportional to 107,378.98, 148,185 and 59,636.80 is: 82,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,378.98 : 148,185 = 59,636.80 : x
  2. Step 2: Convert to fraction form
    107,378.98/148,185 = 59,636.80/x
  3. Step 3: Cross multiply
    107,378.98x = 148,185 × 59,636.80
  4. Step 4: Simplify right side
    107,378.98x = 8,837,279,208
  5. Step 5: Solve for x
    x = 8,837,279,208/107,378.98
  6. Step 6: Final answer
    x = 82,299.90

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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.