Home / 123,636.74-185,453.07-39,395.76

Finding the Fourth Proportional to 123,636.74, 185,453.07 and 39,395.76

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Solution

The fourth proportional to 123,636.74, 185,453.07 and 39,395.76 is: 59,092.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,636.74 : 185,453.07 = 39,395.76 : x
  2. Step 2: Convert to fraction form
    123,636.74/185,453.07 = 39,395.76/x
  3. Step 3: Cross multiply
    123,636.74x = 185,453.07 × 39,395.76
  4. Step 4: Simplify right side
    123,636.74x = 7,306,064,489.25
  5. Step 5: Solve for x
    x = 7,306,064,489.25/123,636.74
  6. Step 6: Final answer
    x = 59,092.99

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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.