Home / 122,980.08-184,476.75-38,746.86

Finding the Fourth Proportional to 122,980.08, 184,476.75 and 38,746.86

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Solution

The fourth proportional to 122,980.08, 184,476.75 and 38,746.86 is: 58,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,980.08 : 184,476.75 = 38,746.86 : x
  2. Step 2: Convert to fraction form
    122,980.08/184,476.75 = 38,746.86/x
  3. Step 3: Cross multiply
    122,980.08x = 184,476.75 × 38,746.86
  4. Step 4: Simplify right side
    122,980.08x = 7,147,894,805.51
  5. Step 5: Solve for x
    x = 7,147,894,805.51/122,980.08
  6. Step 6: Final answer
    x = 58,122.38

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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.