Home / 236,945.12-355,454.60-142,153.02

Finding the Fourth Proportional to 236,945.12, 355,454.60 and 142,153.02

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Solution

The fourth proportional to 236,945.12, 355,454.60 and 142,153.02 is: 213,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,945.12 : 355,454.60 = 142,153.02 : x
  2. Step 2: Convert to fraction form
    236,945.12/355,454.60 = 142,153.02/x
  3. Step 3: Cross multiply
    236,945.12x = 355,454.60 × 142,153.02
  4. Step 4: Simplify right side
    236,945.12x = 50,528,944,152.13
  5. Step 5: Solve for x
    x = 50,528,944,152.13/236,945.12
  6. Step 6: Final answer
    x = 213,251.68

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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.