Home / 101,214.19-139,675.54-55,892.26

Finding the Fourth Proportional to 101,214.19, 139,675.54 and 55,892.26

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Solution

The fourth proportional to 101,214.19, 139,675.54 and 55,892.26 is: 77,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,214.19 : 139,675.54 = 55,892.26 : x
  2. Step 2: Convert to fraction form
    101,214.19/139,675.54 = 55,892.26/x
  3. Step 3: Cross multiply
    101,214.19x = 139,675.54 × 55,892.26
  4. Step 4: Simplify right side
    101,214.19x = 7,806,780,619.48
  5. Step 5: Solve for x
    x = 7,806,780,619.48/101,214.19
  6. Step 6: Final answer
    x = 77,131.29

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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.