Home / 199,055.21-298,678.41-124,156.13

Finding the Fourth Proportional to 199,055.21, 298,678.41 and 124,156.13

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Solution

The fourth proportional to 199,055.21, 298,678.41 and 124,156.13 is: 186,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,055.21 : 298,678.41 = 124,156.13 : x
  2. Step 2: Convert to fraction form
    199,055.21/298,678.41 = 124,156.13/x
  3. Step 3: Cross multiply
    199,055.21x = 298,678.41 × 124,156.13
  4. Step 4: Simplify right side
    199,055.21x = 37,082,754,006.76
  5. Step 5: Solve for x
    x = 37,082,754,006.76/199,055.21
  6. Step 6: Final answer
    x = 186,293.82

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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.