Home / 162,170.64-223,795.89-90,553.23

Finding the Fourth Proportional to 162,170.64, 223,795.89 and 90,553.23

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Solution

The fourth proportional to 162,170.64, 223,795.89 and 90,553.23 is: 124,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,170.64 : 223,795.89 = 90,553.23 : x
  2. Step 2: Convert to fraction form
    162,170.64/223,795.89 = 90,553.23/x
  3. Step 3: Cross multiply
    162,170.64x = 223,795.89 × 90,553.23
  4. Step 4: Simplify right side
    162,170.64x = 20,265,440,700.22
  5. Step 5: Solve for x
    x = 20,265,440,700.22/162,170.64
  6. Step 6: Final answer
    x = 124,963.68

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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.