Home / 116,106.40-160,241.66-68,364.19

Finding the Fourth Proportional to 116,106.40, 160,241.66 and 68,364.19

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Solution

The fourth proportional to 116,106.40, 160,241.66 and 68,364.19 is: 94,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,106.40 : 160,241.66 = 68,364.19 : x
  2. Step 2: Convert to fraction form
    116,106.40/160,241.66 = 68,364.19/x
  3. Step 3: Cross multiply
    116,106.40x = 160,241.66 × 68,364.19
  4. Step 4: Simplify right side
    116,106.40x = 10,954,791,290.16
  5. Step 5: Solve for x
    x = 10,954,791,290.16/116,106.40
  6. Step 6: Final answer
    x = 94,351.31

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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.