Home / 236,963.28-326,911.42-165,385.20

Finding the Fourth Proportional to 236,963.28, 326,911.42 and 165,385.20

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Solution

The fourth proportional to 236,963.28, 326,911.42 and 165,385.20 is: 228,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,963.28 : 326,911.42 = 165,385.20 : x
  2. Step 2: Convert to fraction form
    236,963.28/326,911.42 = 165,385.20/x
  3. Step 3: Cross multiply
    236,963.28x = 326,911.42 × 165,385.20
  4. Step 4: Simplify right side
    236,963.28x = 54,066,312,011.63
  5. Step 5: Solve for x
    x = 54,066,312,011.63/236,963.28
  6. Step 6: Final answer
    x = 228,163.25

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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.