Home / 236,943.35-355,477.34-85,155.76

Finding the Fourth Proportional to 236,943.35, 355,477.34 and 85,155.76

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Solution

The fourth proportional to 236,943.35, 355,477.34 and 85,155.76 is: 127,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.35 : 355,477.34 = 85,155.76 : x
  2. Step 2: Convert to fraction form
    236,943.35/355,477.34 = 85,155.76/x
  3. Step 3: Cross multiply
    236,943.35x = 355,477.34 × 85,155.76
  4. Step 4: Simplify right side
    236,943.35x = 30,270,943,050.48
  5. Step 5: Solve for x
    x = 30,270,943,050.48/236,943.35
  6. Step 6: Final answer
    x = 127,756.04

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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.