Home / 126,831.84-175,033.08-70,243.20

Finding the Fourth Proportional to 126,831.84, 175,033.08 and 70,243.20

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Solution

The fourth proportional to 126,831.84, 175,033.08 and 70,243.20 is: 96,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,831.84 : 175,033.08 = 70,243.20 : x
  2. Step 2: Convert to fraction form
    126,831.84/175,033.08 = 70,243.20/x
  3. Step 3: Cross multiply
    126,831.84x = 175,033.08 × 70,243.20
  4. Step 4: Simplify right side
    126,831.84x = 12,294,883,645.06
  5. Step 5: Solve for x
    x = 12,294,883,645.06/126,831.84
  6. Step 6: Final answer
    x = 96,938.46

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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.