Home / 196,841.08-295,118.58-78,476.92

Finding the Fourth Proportional to 196,841.08, 295,118.58 and 78,476.92

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Solution

The fourth proportional to 196,841.08, 295,118.58 and 78,476.92 is: 117,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,841.08 : 295,118.58 = 78,476.92 : x
  2. Step 2: Convert to fraction form
    196,841.08/295,118.58 = 78,476.92/x
  3. Step 3: Cross multiply
    196,841.08x = 295,118.58 × 78,476.92
  4. Step 4: Simplify right side
    196,841.08x = 23,159,997,193.17
  5. Step 5: Solve for x
    x = 23,159,997,193.17/196,841.08
  6. Step 6: Final answer
    x = 117,658.35

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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.