Home / 157,666.11-236,534.81-52,489.23

Finding the Fourth Proportional to 157,666.11, 236,534.81 and 52,489.23

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Solution

The fourth proportional to 157,666.11, 236,534.81 and 52,489.23 is: 78,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,666.11 : 236,534.81 = 52,489.23 : x
  2. Step 2: Convert to fraction form
    157,666.11/236,534.81 = 52,489.23/x
  3. Step 3: Cross multiply
    157,666.11x = 236,534.81 × 52,489.23
  4. Step 4: Simplify right side
    157,666.11x = 12,415,529,782.65
  5. Step 5: Solve for x
    x = 12,415,529,782.65/157,666.11
  6. Step 6: Final answer
    x = 78,745.71

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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.