Home / 193,429.03-287,803.34-188,607.91

Finding the Fourth Proportional to 193,429.03, 287,803.34 and 188,607.91

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Solution

The fourth proportional to 193,429.03, 287,803.34 and 188,607.91 is: 280,629.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,429.03 : 287,803.34 = 188,607.91 : x
  2. Step 2: Convert to fraction form
    193,429.03/287,803.34 = 188,607.91/x
  3. Step 3: Cross multiply
    193,429.03x = 287,803.34 × 188,607.91
  4. Step 4: Simplify right side
    193,429.03x = 54,281,986,448.42
  5. Step 5: Solve for x
    x = 54,281,986,448.42/193,429.03
  6. Step 6: Final answer
    x = 280,629.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.