Home / 103,634.03-155,450.48-89,551.24

Finding the Fourth Proportional to 103,634.03, 155,450.48 and 89,551.24

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Solution

The fourth proportional to 103,634.03, 155,450.48 and 89,551.24 is: 134,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.03 : 155,450.48 = 89,551.24 : x
  2. Step 2: Convert to fraction form
    103,634.03/155,450.48 = 89,551.24/x
  3. Step 3: Cross multiply
    103,634.03x = 155,450.48 × 89,551.24
  4. Step 4: Simplify right side
    103,634.03x = 13,920,782,406.21
  5. Step 5: Solve for x
    x = 13,920,782,406.21/103,634.03
  6. Step 6: Final answer
    x = 134,326.36

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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.