Home / 169,436.20-254,154.30-166,520.20

Finding the Fourth Proportional to 169,436.20, 254,154.30 and 166,520.20

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Solution

The fourth proportional to 169,436.20, 254,154.30 and 166,520.20 is: 249,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,436.20 : 254,154.30 = 166,520.20 : x
  2. Step 2: Convert to fraction form
    169,436.20/254,154.30 = 166,520.20/x
  3. Step 3: Cross multiply
    169,436.20x = 254,154.30 × 166,520.20
  4. Step 4: Simplify right side
    169,436.20x = 42,321,824,866.86
  5. Step 5: Solve for x
    x = 42,321,824,866.86/169,436.20
  6. Step 6: Final answer
    x = 249,780.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.