Home / 358,433.80-537,650.70-109,083.40

Finding the Fourth Proportional to 358,433.80, 537,650.70 and 109,083.40

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Solution

The fourth proportional to 358,433.80, 537,650.70 and 109,083.40 is: 163,625.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,433.80 : 537,650.70 = 109,083.40 : x
  2. Step 2: Convert to fraction form
    358,433.80/537,650.70 = 109,083.40/x
  3. Step 3: Cross multiply
    358,433.80x = 537,650.70 × 109,083.40
  4. Step 4: Simplify right side
    358,433.80x = 58,648,766,368.38
  5. Step 5: Solve for x
    x = 58,648,766,368.38/358,433.80
  6. Step 6: Final answer
    x = 163,625.10

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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.