Home / 133,913.61-184,800.78-76,554.18

Finding the Fourth Proportional to 133,913.61, 184,800.78 and 76,554.18

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Solution

The fourth proportional to 133,913.61, 184,800.78 and 76,554.18 is: 105,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,913.61 : 184,800.78 = 76,554.18 : x
  2. Step 2: Convert to fraction form
    133,913.61/184,800.78 = 76,554.18/x
  3. Step 3: Cross multiply
    133,913.61x = 184,800.78 × 76,554.18
  4. Step 4: Simplify right side
    133,913.61x = 14,147,272,176.26
  5. Step 5: Solve for x
    x = 14,147,272,176.26/133,913.61
  6. Step 6: Final answer
    x = 105,644.77

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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.