Home / 194,939.78-291,966.80-152,555.72

Finding the Fourth Proportional to 194,939.78, 291,966.80 and 152,555.72

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Solution

The fourth proportional to 194,939.78, 291,966.80 and 152,555.72 is: 228,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,939.78 : 291,966.80 = 152,555.72 : x
  2. Step 2: Convert to fraction form
    194,939.78/291,966.80 = 152,555.72/x
  3. Step 3: Cross multiply
    194,939.78x = 291,966.80 × 152,555.72
  4. Step 4: Simplify right side
    194,939.78x = 44,541,203,167.48
  5. Step 5: Solve for x
    x = 44,541,203,167.48/194,939.78
  6. Step 6: Final answer
    x = 228,486.99

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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.