Home / 395,443.22-545,714.28-214,155.23

Finding the Fourth Proportional to 395,443.22, 545,714.28 and 214,155.23

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Solution

The fourth proportional to 395,443.22, 545,714.28 and 214,155.23 is: 295,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,443.22 : 545,714.28 = 214,155.23 : x
  2. Step 2: Convert to fraction form
    395,443.22/545,714.28 = 214,155.23/x
  3. Step 3: Cross multiply
    395,443.22x = 545,714.28 × 214,155.23
  4. Step 4: Simplify right side
    395,443.22x = 116,867,564,419.11
  5. Step 5: Solve for x
    x = 116,867,564,419.11/395,443.22
  6. Step 6: Final answer
    x = 295,535.64

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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.