Home / 194,612.10-291,457.35-131,943.30

Finding the Fourth Proportional to 194,612.10, 291,457.35 and 131,943.30

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Solution

The fourth proportional to 194,612.10, 291,457.35 and 131,943.30 is: 197,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,612.10 : 291,457.35 = 131,943.30 : x
  2. Step 2: Convert to fraction form
    194,612.10/291,457.35 = 131,943.30/x
  3. Step 3: Cross multiply
    194,612.10x = 291,457.35 × 131,943.30
  4. Step 4: Simplify right side
    194,612.10x = 38,455,844,568.26
  5. Step 5: Solve for x
    x = 38,455,844,568.26/194,612.10
  6. Step 6: Final answer
    x = 197,602.54

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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.