Home / 194,368.86-291,560.97-54,139.74

Finding the Fourth Proportional to 194,368.86, 291,560.97 and 54,139.74

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Solution

The fourth proportional to 194,368.86, 291,560.97 and 54,139.74 is: 81,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,368.86 : 291,560.97 = 54,139.74 : x
  2. Step 2: Convert to fraction form
    194,368.86/291,560.97 = 54,139.74/x
  3. Step 3: Cross multiply
    194,368.86x = 291,560.97 × 54,139.74
  4. Step 4: Simplify right side
    194,368.86x = 15,785,035,109.95
  5. Step 5: Solve for x
    x = 15,785,035,109.95/194,368.86
  6. Step 6: Final answer
    x = 81,211.75

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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.