Home / 215,889.43-298,159.77-164,352.37

Finding the Fourth Proportional to 215,889.43, 298,159.77 and 164,352.37

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Solution

The fourth proportional to 215,889.43, 298,159.77 and 164,352.37 is: 226,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,889.43 : 298,159.77 = 164,352.37 : x
  2. Step 2: Convert to fraction form
    215,889.43/298,159.77 = 164,352.37/x
  3. Step 3: Cross multiply
    215,889.43x = 298,159.77 × 164,352.37
  4. Step 4: Simplify right side
    215,889.43x = 49,003,264,838.15
  5. Step 5: Solve for x
    x = 49,003,264,838.15/215,889.43
  6. Step 6: Final answer
    x = 226,983.16

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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.