Home / 196,731.93-295,240.05-78,335.04

Finding the Fourth Proportional to 196,731.93, 295,240.05 and 78,335.04

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Solution

The fourth proportional to 196,731.93, 295,240.05 and 78,335.04 is: 117,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,731.93 : 295,240.05 = 78,335.04 : x
  2. Step 2: Convert to fraction form
    196,731.93/295,240.05 = 78,335.04/x
  3. Step 3: Cross multiply
    196,731.93x = 295,240.05 × 78,335.04
  4. Step 4: Simplify right side
    196,731.93x = 23,127,641,126.35
  5. Step 5: Solve for x
    x = 23,127,641,126.35/196,731.93
  6. Step 6: Final answer
    x = 117,559.16

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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.