Home / 331,746.08-457,809.60-180,843.20

Finding the Fourth Proportional to 331,746.08, 457,809.60 and 180,843.20

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Solution

The fourth proportional to 331,746.08, 457,809.60 and 180,843.20 is: 249,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,746.08 : 457,809.60 = 180,843.20 : x
  2. Step 2: Convert to fraction form
    331,746.08/457,809.60 = 180,843.20/x
  3. Step 3: Cross multiply
    331,746.08x = 457,809.60 × 180,843.20
  4. Step 4: Simplify right side
    331,746.08x = 82,791,753,054.72
  5. Step 5: Solve for x
    x = 82,791,753,054.72/331,746.08
  6. Step 6: Final answer
    x = 249,563.62

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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.