Home / 199,010.60-298,506.06-74,342.12

Finding the Fourth Proportional to 199,010.60, 298,506.06 and 74,342.12

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Solution

The fourth proportional to 199,010.60, 298,506.06 and 74,342.12 is: 111,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,010.60 : 298,506.06 = 74,342.12 : x
  2. Step 2: Convert to fraction form
    199,010.60/298,506.06 = 74,342.12/x
  3. Step 3: Cross multiply
    199,010.60x = 298,506.06 × 74,342.12
  4. Step 4: Simplify right side
    199,010.60x = 22,191,573,333.25
  5. Step 5: Solve for x
    x = 22,191,573,333.25/199,010.60
  6. Step 6: Final answer
    x = 111,509.50

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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.