Home / 127,177.20-190,852.20-71,017.20

Finding the Fourth Proportional to 127,177.20, 190,852.20 and 71,017.20

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Solution

The fourth proportional to 127,177.20, 190,852.20 and 71,017.20 is: 106,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,177.20 : 190,852.20 = 71,017.20 : x
  2. Step 2: Convert to fraction form
    127,177.20/190,852.20 = 71,017.20/x
  3. Step 3: Cross multiply
    127,177.20x = 190,852.20 × 71,017.20
  4. Step 4: Simplify right side
    127,177.20x = 13,553,788,857.84
  5. Step 5: Solve for x
    x = 13,553,788,857.84/127,177.20
  6. Step 6: Final answer
    x = 106,574.05

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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.