Home / 196,840.08-295,117.08-78,475.92

Finding the Fourth Proportional to 196,840.08, 295,117.08 and 78,475.92

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Solution

The fourth proportional to 196,840.08, 295,117.08 and 78,475.92 is: 117,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,840.08 : 295,117.08 = 78,475.92 : x
  2. Step 2: Convert to fraction form
    196,840.08/295,117.08 = 78,475.92/x
  3. Step 3: Cross multiply
    196,840.08x = 295,117.08 × 78,475.92
  4. Step 4: Simplify right side
    196,840.08x = 23,159,584,360.71
  5. Step 5: Solve for x
    x = 23,159,584,360.71/196,840.08
  6. Step 6: Final answer
    x = 117,656.85

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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.