Home / 193,128.40-289,692.60-185,352.40

Finding the Fourth Proportional to 193,128.40, 289,692.60 and 185,352.40

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Solution

The fourth proportional to 193,128.40, 289,692.60 and 185,352.40 is: 278,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,128.40 : 289,692.60 = 185,352.40 : x
  2. Step 2: Convert to fraction form
    193,128.40/289,692.60 = 185,352.40/x
  3. Step 3: Cross multiply
    193,128.40x = 289,692.60 × 185,352.40
  4. Step 4: Simplify right side
    193,128.40x = 53,695,218,672.24
  5. Step 5: Solve for x
    x = 53,695,218,672.24/193,128.40
  6. Step 6: Final answer
    x = 278,028.60

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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.