Home / 236,772.80-355,158.24-112,201.28

Finding the Fourth Proportional to 236,772.80, 355,158.24 and 112,201.28

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Solution

The fourth proportional to 236,772.80, 355,158.24 and 112,201.28 is: 168,301.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,772.80 : 355,158.24 = 112,201.28 : x
  2. Step 2: Convert to fraction form
    236,772.80/355,158.24 = 112,201.28/x
  3. Step 3: Cross multiply
    236,772.80x = 355,158.24 × 112,201.28
  4. Step 4: Simplify right side
    236,772.80x = 39,849,209,130.55
  5. Step 5: Solve for x
    x = 39,849,209,130.55/236,772.80
  6. Step 6: Final answer
    x = 168,301.47

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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.