Home / 180,131.40-248,594.21-99,557.19

Finding the Fourth Proportional to 180,131.40, 248,594.21 and 99,557.19

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Solution

The fourth proportional to 180,131.40, 248,594.21 and 99,557.19 is: 137,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,131.40 : 248,594.21 = 99,557.19 : x
  2. Step 2: Convert to fraction form
    180,131.40/248,594.21 = 99,557.19/x
  3. Step 3: Cross multiply
    180,131.40x = 248,594.21 × 99,557.19
  4. Step 4: Simplify right side
    180,131.40x = 24,749,340,997.87
  5. Step 5: Solve for x
    x = 24,749,340,997.87/180,131.40
  6. Step 6: Final answer
    x = 137,396.04

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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.