Home / 220,906.08-304,797.47-130,254.93

Finding the Fourth Proportional to 220,906.08, 304,797.47 and 130,254.93

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Solution

The fourth proportional to 220,906.08, 304,797.47 and 130,254.93 is: 179,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,906.08 : 304,797.47 = 130,254.93 : x
  2. Step 2: Convert to fraction form
    220,906.08/304,797.47 = 130,254.93/x
  3. Step 3: Cross multiply
    220,906.08x = 304,797.47 × 130,254.93
  4. Step 4: Simplify right side
    220,906.08x = 39,701,372,467.75
  5. Step 5: Solve for x
    x = 39,701,372,467.75/220,906.08
  6. Step 6: Final answer
    x = 179,720.60

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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.