Home / 358,429.15-537,643.68-148,072.56

Finding the Fourth Proportional to 358,429.15, 537,643.68 and 148,072.56

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Solution

The fourth proportional to 358,429.15, 537,643.68 and 148,072.56 is: 222,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,429.15 : 537,643.68 = 148,072.56 : x
  2. Step 2: Convert to fraction form
    358,429.15/537,643.68 = 148,072.56/x
  3. Step 3: Cross multiply
    358,429.15x = 537,643.68 × 148,072.56
  4. Step 4: Simplify right side
    358,429.15x = 79,610,273,493.98
  5. Step 5: Solve for x
    x = 79,610,273,493.98/358,429.15
  6. Step 6: Final answer
    x = 222,108.81

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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.