Home / 116,713.28-160,839.60-84,831.68

Finding the Fourth Proportional to 116,713.28, 160,839.60 and 84,831.68

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Solution

The fourth proportional to 116,713.28, 160,839.60 and 84,831.68 is: 116,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,713.28 : 160,839.60 = 84,831.68 : x
  2. Step 2: Convert to fraction form
    116,713.28/160,839.60 = 84,831.68/x
  3. Step 3: Cross multiply
    116,713.28x = 160,839.60 × 84,831.68
  4. Step 4: Simplify right side
    116,713.28x = 13,644,293,478.53
  5. Step 5: Solve for x
    x = 13,644,293,478.53/116,713.28
  6. Step 6: Final answer
    x = 116,904.38

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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.