Home / 198,160.07-297,177.65-65,009.30

Finding the Fourth Proportional to 198,160.07, 297,177.65 and 65,009.30

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Solution

The fourth proportional to 198,160.07, 297,177.65 and 65,009.30 is: 97,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,160.07 : 297,177.65 = 65,009.30 : x
  2. Step 2: Convert to fraction form
    198,160.07/297,177.65 = 65,009.30/x
  3. Step 3: Cross multiply
    198,160.07x = 297,177.65 × 65,009.30
  4. Step 4: Simplify right side
    198,160.07x = 19,319,309,516.26
  5. Step 5: Solve for x
    x = 19,319,309,516.26/198,160.07
  6. Step 6: Final answer
    x = 97,493.46

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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.