Home / 125,025.95-187,544.97-40,785.95

Finding the Fourth Proportional to 125,025.95, 187,544.97 and 40,785.95

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Solution

The fourth proportional to 125,025.95, 187,544.97 and 40,785.95 is: 61,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,025.95 : 187,544.97 = 40,785.95 : x
  2. Step 2: Convert to fraction form
    125,025.95/187,544.97 = 40,785.95/x
  3. Step 3: Cross multiply
    125,025.95x = 187,544.97 × 40,785.95
  4. Step 4: Simplify right side
    125,025.95x = 7,649,198,831.45
  5. Step 5: Solve for x
    x = 7,649,198,831.45/125,025.95
  6. Step 6: Final answer
    x = 61,180.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.