Home / 331,550.96-457,541.34-188,312.18

Finding the Fourth Proportional to 331,550.96, 457,541.34 and 188,312.18

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Solution

The fourth proportional to 331,550.96, 457,541.34 and 188,312.18 is: 259,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,550.96 : 457,541.34 = 188,312.18 : x
  2. Step 2: Convert to fraction form
    331,550.96/457,541.34 = 188,312.18/x
  3. Step 3: Cross multiply
    331,550.96x = 457,541.34 × 188,312.18
  4. Step 4: Simplify right side
    331,550.96x = 86,160,607,175.52
  5. Step 5: Solve for x
    x = 86,160,607,175.52/331,550.96
  6. Step 6: Final answer
    x = 259,871.39

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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.