Home / 193,528.80-289,904.40-134,431.20

Finding the Fourth Proportional to 193,528.80, 289,904.40 and 134,431.20

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Solution

The fourth proportional to 193,528.80, 289,904.40 and 134,431.20 is: 201,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,528.80 : 289,904.40 = 134,431.20 : x
  2. Step 2: Convert to fraction form
    193,528.80/289,904.40 = 134,431.20/x
  3. Step 3: Cross multiply
    193,528.80x = 289,904.40 × 134,431.20
  4. Step 4: Simplify right side
    193,528.80x = 38,972,196,377.28
  5. Step 5: Solve for x
    x = 38,972,196,377.28/193,528.80
  6. Step 6: Final answer
    x = 201,376.73

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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.