Home / 133,391.30-184,095.87-76,813.70

Finding the Fourth Proportional to 133,391.30, 184,095.87 and 76,813.70

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Solution

The fourth proportional to 133,391.30, 184,095.87 and 76,813.70 is: 106,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.30 : 184,095.87 = 76,813.70 : x
  2. Step 2: Convert to fraction form
    133,391.30/184,095.87 = 76,813.70/x
  3. Step 3: Cross multiply
    133,391.30x = 184,095.87 × 76,813.70
  4. Step 4: Simplify right side
    133,391.30x = 14,141,084,929.42
  5. Step 5: Solve for x
    x = 14,141,084,929.42/133,391.30
  6. Step 6: Final answer
    x = 106,012.05

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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.