Home / 194,790.04-291,963.60-82,400.12

Finding the Fourth Proportional to 194,790.04, 291,963.60 and 82,400.12

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Solution

The fourth proportional to 194,790.04, 291,963.60 and 82,400.12 is: 123,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,790.04 : 291,963.60 = 82,400.12 : x
  2. Step 2: Convert to fraction form
    194,790.04/291,963.60 = 82,400.12/x
  3. Step 3: Cross multiply
    194,790.04x = 291,963.60 × 82,400.12
  4. Step 4: Simplify right side
    194,790.04x = 24,057,835,675.63
  5. Step 5: Solve for x
    x = 24,057,835,675.63/194,790.04
  6. Step 6: Final answer
    x = 123,506.50

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1.5x scale

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.