Home / 198,783.36-274,230.68-118,165.10

Finding the Fourth Proportional to 198,783.36, 274,230.68 and 118,165.10

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Solution

The fourth proportional to 198,783.36, 274,230.68 and 118,165.10 is: 163,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,783.36 : 274,230.68 = 118,165.10 : x
  2. Step 2: Convert to fraction form
    198,783.36/274,230.68 = 118,165.10/x
  3. Step 3: Cross multiply
    198,783.36x = 274,230.68 × 118,165.10
  4. Step 4: Simplify right side
    198,783.36x = 32,404,493,763.29
  5. Step 5: Solve for x
    x = 32,404,493,763.29/198,783.36
  6. Step 6: Final answer
    x = 163,014.12

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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.