Home / 155,962.22-215,283.01-92,299.86

Finding the Fourth Proportional to 155,962.22, 215,283.01 and 92,299.86

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Solution

The fourth proportional to 155,962.22, 215,283.01 and 92,299.86 is: 127,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,962.22 : 215,283.01 = 92,299.86 : x
  2. Step 2: Convert to fraction form
    155,962.22/215,283.01 = 92,299.86/x
  3. Step 3: Cross multiply
    155,962.22x = 215,283.01 × 92,299.86
  4. Step 4: Simplify right side
    155,962.22x = 19,870,591,683.38
  5. Step 5: Solve for x
    x = 19,870,591,683.38/155,962.22
  6. Step 6: Final answer
    x = 127,406.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.