Home / 236,943.56-355,477.58-85,155.96

Finding the Fourth Proportional to 236,943.56, 355,477.58 and 85,155.96

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Solution

The fourth proportional to 236,943.56, 355,477.58 and 85,155.96 is: 127,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.56 : 355,477.58 = 85,155.96 : x
  2. Step 2: Convert to fraction form
    236,943.56/355,477.58 = 85,155.96/x
  3. Step 3: Cross multiply
    236,943.56x = 355,477.58 × 85,155.96
  4. Step 4: Simplify right side
    236,943.56x = 30,271,033,810.41
  5. Step 5: Solve for x
    x = 30,271,033,810.41/236,943.56
  6. Step 6: Final answer
    x = 127,756.30

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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.