Home / 194,461.13-291,740.90-54,219.75

Finding the Fourth Proportional to 194,461.13, 291,740.90 and 54,219.75

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Solution

The fourth proportional to 194,461.13, 291,740.90 and 54,219.75 is: 81,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,461.13 : 291,740.90 = 54,219.75 : x
  2. Step 2: Convert to fraction form
    194,461.13/291,740.90 = 54,219.75/x
  3. Step 3: Cross multiply
    194,461.13x = 291,740.90 × 54,219.75
  4. Step 4: Simplify right side
    194,461.13x = 15,818,118,391.68
  5. Step 5: Solve for x
    x = 15,818,118,391.68/194,461.13
  6. Step 6: Final answer
    x = 81,343.35

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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.