Home / 126,041.28-173,831.04-75,730.56

Finding the Fourth Proportional to 126,041.28, 173,831.04 and 75,730.56

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Solution

The fourth proportional to 126,041.28, 173,831.04 and 75,730.56 is: 104,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,041.28 : 173,831.04 = 75,730.56 : x
  2. Step 2: Convert to fraction form
    126,041.28/173,831.04 = 75,730.56/x
  3. Step 3: Cross multiply
    126,041.28x = 173,831.04 × 75,730.56
  4. Step 4: Simplify right side
    126,041.28x = 13,164,322,004.58
  5. Step 5: Solve for x
    x = 13,164,322,004.58/126,041.28
  6. Step 6: Final answer
    x = 104,444.53

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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.