Home / 154,112.39-212,615.03-96,718.22

Finding the Fourth Proportional to 154,112.39, 212,615.03 and 96,718.22

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Solution

The fourth proportional to 154,112.39, 212,615.03 and 96,718.22 is: 133,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,112.39 : 212,615.03 = 96,718.22 : x
  2. Step 2: Convert to fraction form
    154,112.39/212,615.03 = 96,718.22/x
  3. Step 3: Cross multiply
    154,112.39x = 212,615.03 × 96,718.22
  4. Step 4: Simplify right side
    154,112.39x = 20,563,746,497.49
  5. Step 5: Solve for x
    x = 20,563,746,497.49/154,112.39
  6. Step 6: Final answer
    x = 133,433.44

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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.