Home / 199,105.20-298,312.20-168,001.20

Finding the Fourth Proportional to 199,105.20, 298,312.20 and 168,001.20

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Solution

The fourth proportional to 199,105.20, 298,312.20 and 168,001.20 is: 251,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,105.20 : 298,312.20 = 168,001.20 : x
  2. Step 2: Convert to fraction form
    199,105.20/298,312.20 = 168,001.20/x
  3. Step 3: Cross multiply
    199,105.20x = 298,312.20 × 168,001.20
  4. Step 4: Simplify right side
    199,105.20x = 50,116,807,574.64
  5. Step 5: Solve for x
    x = 50,116,807,574.64/199,105.20
  6. Step 6: Final answer
    x = 251,710.19

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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.