Home / 101,513.36-140,084.88-56,191.44

Finding the Fourth Proportional to 101,513.36, 140,084.88 and 56,191.44

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Solution

The fourth proportional to 101,513.36, 140,084.88 and 56,191.44 is: 77,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,513.36 : 140,084.88 = 56,191.44 : x
  2. Step 2: Convert to fraction form
    101,513.36/140,084.88 = 56,191.44/x
  3. Step 3: Cross multiply
    101,513.36x = 140,084.88 × 56,191.44
  4. Step 4: Simplify right side
    101,513.36x = 7,871,571,129.43
  5. Step 5: Solve for x
    x = 7,871,571,129.43/101,513.36
  6. Step 6: Final answer
    x = 77,542.22

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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.