Home / 154,060.07-212,576.99-86,074.43

Finding the Fourth Proportional to 154,060.07, 212,576.99 and 86,074.43

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Solution

The fourth proportional to 154,060.07, 212,576.99 and 86,074.43 is: 118,768.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,060.07 : 212,576.99 = 86,074.43 : x
  2. Step 2: Convert to fraction form
    154,060.07/212,576.99 = 86,074.43/x
  3. Step 3: Cross multiply
    154,060.07x = 212,576.99 × 86,074.43
  4. Step 4: Simplify right side
    154,060.07x = 18,297,441,752.11
  5. Step 5: Solve for x
    x = 18,297,441,752.11/154,060.07
  6. Step 6: Final answer
    x = 118,768.23

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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.