Home / 112,778.04-155,278.54-95,748.60

Finding the Fourth Proportional to 112,778.04, 155,278.54 and 95,748.60

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Solution

The fourth proportional to 112,778.04, 155,278.54 and 95,748.60 is: 131,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,778.04 : 155,278.54 = 95,748.60 : x
  2. Step 2: Convert to fraction form
    112,778.04/155,278.54 = 95,748.60/x
  3. Step 3: Cross multiply
    112,778.04x = 155,278.54 × 95,748.60
  4. Step 4: Simplify right side
    112,778.04x = 14,867,702,815.04
  5. Step 5: Solve for x
    x = 14,867,702,815.04/112,778.04
  6. Step 6: Final answer
    x = 131,831.54

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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.