Home / 194,555.72-291,746.10-188,432.12

Finding the Fourth Proportional to 194,555.72, 291,746.10 and 188,432.12

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Solution

The fourth proportional to 194,555.72, 291,746.10 and 188,432.12 is: 282,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,555.72 : 291,746.10 = 188,432.12 : x
  2. Step 2: Convert to fraction form
    194,555.72/291,746.10 = 188,432.12/x
  3. Step 3: Cross multiply
    194,555.72x = 291,746.10 × 188,432.12
  4. Step 4: Simplify right side
    194,555.72x = 54,974,336,124.73
  5. Step 5: Solve for x
    x = 54,974,336,124.73/194,555.72
  6. Step 6: Final answer
    x = 282,563.45

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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.