Home / 196,238.72-270,840.30-119,774.36

Finding the Fourth Proportional to 196,238.72, 270,840.30 and 119,774.36

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Solution

The fourth proportional to 196,238.72, 270,840.30 and 119,774.36 is: 165,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238.72 : 270,840.30 = 119,774.36 : x
  2. Step 2: Convert to fraction form
    196,238.72/270,840.30 = 119,774.36/x
  3. Step 3: Cross multiply
    196,238.72x = 270,840.30 × 119,774.36
  4. Step 4: Simplify right side
    196,238.72x = 32,439,723,594.71
  5. Step 5: Solve for x
    x = 32,439,723,594.71/196,238.72
  6. Step 6: Final answer
    x = 165,307.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.