Home / 127,439.55-190,851.93-100,692.54

Finding the Fourth Proportional to 127,439.55, 190,851.93 and 100,692.54

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Solution

The fourth proportional to 127,439.55, 190,851.93 and 100,692.54 is: 150,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.55 : 190,851.93 = 100,692.54 : x
  2. Step 2: Convert to fraction form
    127,439.55/190,851.93 = 100,692.54/x
  3. Step 3: Cross multiply
    127,439.55x = 190,851.93 × 100,692.54
  4. Step 4: Simplify right side
    127,439.55x = 19,217,365,595.60
  5. Step 5: Solve for x
    x = 19,217,365,595.60/127,439.55
  6. Step 6: Final answer
    x = 150,795.93

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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.