Home / 331,210.86-457,070.31-180,308.94

Finding the Fourth Proportional to 331,210.86, 457,070.31 and 180,308.94

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Solution

The fourth proportional to 331,210.86, 457,070.31 and 180,308.94 is: 248,825.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,210.86 : 457,070.31 = 180,308.94 : x
  2. Step 2: Convert to fraction form
    331,210.86/457,070.31 = 180,308.94/x
  3. Step 3: Cross multiply
    331,210.86x = 457,070.31 × 180,308.94
  4. Step 4: Simplify right side
    331,210.86x = 82,413,863,101.57
  5. Step 5: Solve for x
    x = 82,413,863,101.57/331,210.86
  6. Step 6: Final answer
    x = 248,825.97

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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.