Home / 133,410.36-184,173.12-103,127.16

Finding the Fourth Proportional to 133,410.36, 184,173.12 and 103,127.16

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Solution

The fourth proportional to 133,410.36, 184,173.12 and 103,127.16 is: 142,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,410.36 : 184,173.12 = 103,127.16 : x
  2. Step 2: Convert to fraction form
    133,410.36/184,173.12 = 103,127.16/x
  3. Step 3: Cross multiply
    133,410.36x = 184,173.12 × 103,127.16
  4. Step 4: Simplify right side
    133,410.36x = 18,993,250,813.94
  5. Step 5: Solve for x
    x = 18,993,250,813.94/133,410.36
  6. Step 6: Final answer
    x = 142,367.14

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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.