Home / 185,603.22-256,133.13-100,720.26

Finding the Fourth Proportional to 185,603.22, 256,133.13 and 100,720.26

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Solution

The fourth proportional to 185,603.22, 256,133.13 and 100,720.26 is: 138,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,603.22 : 256,133.13 = 100,720.26 : x
  2. Step 2: Convert to fraction form
    185,603.22/256,133.13 = 100,720.26/x
  3. Step 3: Cross multiply
    185,603.22x = 256,133.13 × 100,720.26
  4. Step 4: Simplify right side
    185,603.22x = 25,797,795,448.21
  5. Step 5: Solve for x
    x = 25,797,795,448.21/185,603.22
  6. Step 6: Final answer
    x = 138,994.33

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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.