Home / 299,730.03-413,622.55-163,761.05

Finding the Fourth Proportional to 299,730.03, 413,622.55 and 163,761.05

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Solution

The fourth proportional to 299,730.03, 413,622.55 and 163,761.05 is: 225,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,730.03 : 413,622.55 = 163,761.05 : x
  2. Step 2: Convert to fraction form
    299,730.03/413,622.55 = 163,761.05/x
  3. Step 3: Cross multiply
    299,730.03x = 413,622.55 × 163,761.05
  4. Step 4: Simplify right side
    299,730.03x = 67,735,264,330.44
  5. Step 5: Solve for x
    x = 67,735,264,330.44/299,730.03
  6. Step 6: Final answer
    x = 225,987.58

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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.