Home / 297,511.10-410,462.71-190,143.98

Finding the Fourth Proportional to 297,511.10, 410,462.71 and 190,143.98

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Solution

The fourth proportional to 297,511.10, 410,462.71 and 190,143.98 is: 262,333.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,511.10 : 410,462.71 = 190,143.98 : x
  2. Step 2: Convert to fraction form
    297,511.10/410,462.71 = 190,143.98/x
  3. Step 3: Cross multiply
    297,511.10x = 410,462.71 × 190,143.98
  4. Step 4: Simplify right side
    297,511.10x = 78,047,013,320.99
  5. Step 5: Solve for x
    x = 78,047,013,320.99/297,511.10
  6. Step 6: Final answer
    x = 262,333.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.