Home / 127,107.23-175,415.28-76,822.43

Finding the Fourth Proportional to 127,107.23, 175,415.28 and 76,822.43

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Solution

The fourth proportional to 127,107.23, 175,415.28 and 76,822.43 is: 106,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,107.23 : 175,415.28 = 76,822.43 : x
  2. Step 2: Convert to fraction form
    127,107.23/175,415.28 = 76,822.43/x
  3. Step 3: Cross multiply
    127,107.23x = 175,415.28 × 76,822.43
  4. Step 4: Simplify right side
    127,107.23x = 13,475,828,068.73
  5. Step 5: Solve for x
    x = 13,475,828,068.73/127,107.23
  6. Step 6: Final answer
    x = 106,019.37

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1.5x scale

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.