Home / 133,640.63-184,424.07-79,925.65

Finding the Fourth Proportional to 133,640.63, 184,424.07 and 79,925.65

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Solution

The fourth proportional to 133,640.63, 184,424.07 and 79,925.65 is: 110,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640.63 : 184,424.07 = 79,925.65 : x
  2. Step 2: Convert to fraction form
    133,640.63/184,424.07 = 79,925.65/x
  3. Step 3: Cross multiply
    133,640.63x = 184,424.07 × 79,925.65
  4. Step 4: Simplify right side
    133,640.63x = 14,740,213,094.03
  5. Step 5: Solve for x
    x = 14,740,213,094.03/133,640.63
  6. Step 6: Final answer
    x = 110,297.39

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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.