Home / 169,520.78-233,970.93-112,161.24

Finding the Fourth Proportional to 169,520.78, 233,970.93 and 112,161.24

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Solution

The fourth proportional to 169,520.78, 233,970.93 and 112,161.24 is: 154,803.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,520.78 : 233,970.93 = 112,161.24 : x
  2. Step 2: Convert to fraction form
    169,520.78/233,970.93 = 112,161.24/x
  3. Step 3: Cross multiply
    169,520.78x = 233,970.93 × 112,161.24
  4. Step 4: Simplify right side
    169,520.78x = 26,242,469,632.75
  5. Step 5: Solve for x
    x = 26,242,469,632.75/169,520.78
  6. Step 6: Final answer
    x = 154,803.85

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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.