Home / 133,996.83-184,918.53-76,641.45

Finding the Fourth Proportional to 133,996.83, 184,918.53 and 76,641.45

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Solution

The fourth proportional to 133,996.83, 184,918.53 and 76,641.45 is: 105,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,996.83 : 184,918.53 = 76,641.45 : x
  2. Step 2: Convert to fraction form
    133,996.83/184,918.53 = 76,641.45/x
  3. Step 3: Cross multiply
    133,996.83x = 184,918.53 × 76,641.45
  4. Step 4: Simplify right side
    133,996.83x = 14,172,424,271.07
  5. Step 5: Solve for x
    x = 14,172,424,271.07/133,996.83
  6. Step 6: Final answer
    x = 105,766.86

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1.5x scale

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.