Home / 193,120.68-289,681.26-52,880.52

Finding the Fourth Proportional to 193,120.68, 289,681.26 and 52,880.52

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Solution

The fourth proportional to 193,120.68, 289,681.26 and 52,880.52 is: 79,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,120.68 : 289,681.26 = 52,880.52 : x
  2. Step 2: Convert to fraction form
    193,120.68/289,681.26 = 52,880.52/x
  3. Step 3: Cross multiply
    193,120.68x = 289,681.26 × 52,880.52
  4. Step 4: Simplify right side
    193,120.68x = 15,318,495,663.06
  5. Step 5: Solve for x
    x = 15,318,495,663.06/193,120.68
  6. Step 6: Final answer
    x = 79,320.85

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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.