Home / 133,480.09-184,140.30-76,858.66

Finding the Fourth Proportional to 133,480.09, 184,140.30 and 76,858.66

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Solution

The fourth proportional to 133,480.09, 184,140.30 and 76,858.66 is: 106,029.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,480.09 : 184,140.30 = 76,858.66 : x
  2. Step 2: Convert to fraction form
    133,480.09/184,140.30 = 76,858.66/x
  3. Step 3: Cross multiply
    133,480.09x = 184,140.30 × 76,858.66
  4. Step 4: Simplify right side
    133,480.09x = 14,152,776,710.00
  5. Step 5: Solve for x
    x = 14,152,776,710.00/133,480.09
  6. Step 6: Final answer
    x = 106,029.12

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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.