Home / 198,699.36-298,090.80-58,446.24

Finding the Fourth Proportional to 198,699.36, 298,090.80 and 58,446.24

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Solution

The fourth proportional to 198,699.36, 298,090.80 and 58,446.24 is: 87,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,699.36 : 298,090.80 = 58,446.24 : x
  2. Step 2: Convert to fraction form
    198,699.36/298,090.80 = 58,446.24/x
  3. Step 3: Cross multiply
    198,699.36x = 298,090.80 × 58,446.24
  4. Step 4: Simplify right side
    198,699.36x = 17,422,286,438.59
  5. Step 5: Solve for x
    x = 17,422,286,438.59/198,699.36
  6. Step 6: Final answer
    x = 87,681.64

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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.