Home / 194,660.10-291,644.55-120,701.70

Finding the Fourth Proportional to 194,660.10, 291,644.55 and 120,701.70

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Solution

The fourth proportional to 194,660.10, 291,644.55 and 120,701.70 is: 180,838.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,660.10 : 291,644.55 = 120,701.70 : x
  2. Step 2: Convert to fraction form
    194,660.10/291,644.55 = 120,701.70/x
  3. Step 3: Cross multiply
    194,660.10x = 291,644.55 × 120,701.70
  4. Step 4: Simplify right side
    194,660.10x = 35,201,992,980.74
  5. Step 5: Solve for x
    x = 35,201,992,980.74/194,660.10
  6. Step 6: Final answer
    x = 180,838.26

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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.