Home / 157,504.57-236,224.64-45,154.69

Finding the Fourth Proportional to 157,504.57, 236,224.64 and 45,154.69

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Solution

The fourth proportional to 157,504.57, 236,224.64 and 45,154.69 is: 67,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,504.57 : 236,224.64 = 45,154.69 : x
  2. Step 2: Convert to fraction form
    157,504.57/236,224.64 = 45,154.69/x
  3. Step 3: Cross multiply
    157,504.57x = 236,224.64 × 45,154.69
  4. Step 4: Simplify right side
    157,504.57x = 10,666,650,163.79
  5. Step 5: Solve for x
    x = 10,666,650,163.79/157,504.57
  6. Step 6: Final answer
    x = 67,722.80

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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.