Home / 236,827.56-355,236.28-76,903.32

Finding the Fourth Proportional to 236,827.56, 355,236.28 and 76,903.32

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Solution

The fourth proportional to 236,827.56, 355,236.28 and 76,903.32 is: 115,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,827.56 : 355,236.28 = 76,903.32 : x
  2. Step 2: Convert to fraction form
    236,827.56/355,236.28 = 76,903.32/x
  3. Step 3: Cross multiply
    236,827.56x = 355,236.28 × 76,903.32
  4. Step 4: Simplify right side
    236,827.56x = 27,318,849,316.45
  5. Step 5: Solve for x
    x = 27,318,849,316.45/236,827.56
  6. Step 6: Final answer
    x = 115,353.34

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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.