Home / 196,045.20-291,850.74-194,878.80

Finding the Fourth Proportional to 196,045.20, 291,850.74 and 194,878.80

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Solution

The fourth proportional to 196,045.20, 291,850.74 and 194,878.80 is: 290,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,045.20 : 291,850.74 = 194,878.80 : x
  2. Step 2: Convert to fraction form
    196,045.20/291,850.74 = 194,878.80/x
  3. Step 3: Cross multiply
    196,045.20x = 291,850.74 × 194,878.80
  4. Step 4: Simplify right side
    196,045.20x = 56,875,521,990.31
  5. Step 5: Solve for x
    x = 56,875,521,990.31/196,045.20
  6. Step 6: Final answer
    x = 290,114.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.