Home / 101,619.19-140,227.45-56,292.94

Finding the Fourth Proportional to 101,619.19, 140,227.45 and 56,292.94

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Solution

The fourth proportional to 101,619.19, 140,227.45 and 56,292.94 is: 77,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,619.19 : 140,227.45 = 56,292.94 : x
  2. Step 2: Convert to fraction form
    101,619.19/140,227.45 = 56,292.94/x
  3. Step 3: Cross multiply
    101,619.19x = 140,227.45 × 56,292.94
  4. Step 4: Simplify right side
    101,619.19x = 7,893,815,429.20
  5. Step 5: Solve for x
    x = 7,893,815,429.20/101,619.19
  6. Step 6: Final answer
    x = 77,680.36

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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.