Home / 127,265.80-190,777.20-47,282.35

Finding the Fourth Proportional to 127,265.80, 190,777.20 and 47,282.35

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Solution

The fourth proportional to 127,265.80, 190,777.20 and 47,282.35 is: 70,878.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,265.80 : 190,777.20 = 47,282.35 : x
  2. Step 2: Convert to fraction form
    127,265.80/190,777.20 = 47,282.35/x
  3. Step 3: Cross multiply
    127,265.80x = 190,777.20 × 47,282.35
  4. Step 4: Simplify right side
    127,265.80x = 9,020,394,342.42
  5. Step 5: Solve for x
    x = 9,020,394,342.42/127,265.80
  6. Step 6: Final answer
    x = 70,878.38

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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.