Home / 611,392.20-917,088.30-168,160.20

Finding the Fourth Proportional to 611,392.20, 917,088.30 and 168,160.20

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Solution

The fourth proportional to 611,392.20, 917,088.30 and 168,160.20 is: 252,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,392.20 : 917,088.30 = 168,160.20 : x
  2. Step 2: Convert to fraction form
    611,392.20/917,088.30 = 168,160.20/x
  3. Step 3: Cross multiply
    611,392.20x = 917,088.30 × 168,160.20
  4. Step 4: Simplify right side
    611,392.20x = 154,217,751,945.66
  5. Step 5: Solve for x
    x = 154,217,751,945.66/611,392.20
  6. Step 6: Final answer
    x = 252,240.30

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Similar ratio
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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.