Home / 190,712.59-263,184.93-105,831.07

Finding the Fourth Proportional to 190,712.59, 263,184.93 and 105,831.07

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Solution

The fourth proportional to 190,712.59, 263,184.93 and 105,831.07 is: 146,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,712.59 : 263,184.93 = 105,831.07 : x
  2. Step 2: Convert to fraction form
    190,712.59/263,184.93 = 105,831.07/x
  3. Step 3: Cross multiply
    190,712.59x = 263,184.93 × 105,831.07
  4. Step 4: Simplify right side
    190,712.59x = 27,853,140,904.70
  5. Step 5: Solve for x
    x = 27,853,140,904.70/190,712.59
  6. Step 6: Final answer
    x = 146,047.73

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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.