Home / 114,406.24-157,874.16-66,667.36

Finding the Fourth Proportional to 114,406.24, 157,874.16 and 66,667.36

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Solution

The fourth proportional to 114,406.24, 157,874.16 and 66,667.36 is: 91,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,406.24 : 157,874.16 = 66,667.36 : x
  2. Step 2: Convert to fraction form
    114,406.24/157,874.16 = 66,667.36/x
  3. Step 3: Cross multiply
    114,406.24x = 157,874.16 × 66,667.36
  4. Step 4: Simplify right side
    114,406.24x = 10,525,053,459.42
  5. Step 5: Solve for x
    x = 10,525,053,459.42/114,406.24
  6. Step 6: Final answer
    x = 91,997.20

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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.