Home / 194,911.10-292,139.85-89,740.70

Finding the Fourth Proportional to 194,911.10, 292,139.85 and 89,740.70

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Solution

The fourth proportional to 194,911.10, 292,139.85 and 89,740.70 is: 134,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,911.10 : 292,139.85 = 89,740.70 : x
  2. Step 2: Convert to fraction form
    194,911.10/292,139.85 = 89,740.70/x
  3. Step 3: Cross multiply
    194,911.10x = 292,139.85 × 89,740.70
  4. Step 4: Simplify right side
    194,911.10x = 26,216,834,636.90
  5. Step 5: Solve for x
    x = 26,216,834,636.90/194,911.10
  6. Step 6: Final answer
    x = 134,506.63

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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.