Home / 141,670.32-212,556.05-66,801.11

Finding the Fourth Proportional to 141,670.32, 212,556.05 and 66,801.11

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Solution

The fourth proportional to 141,670.32, 212,556.05 and 66,801.11 is: 100,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,670.32 : 212,556.05 = 66,801.11 : x
  2. Step 2: Convert to fraction form
    141,670.32/212,556.05 = 66,801.11/x
  3. Step 3: Cross multiply
    141,670.32x = 212,556.05 × 66,801.11
  4. Step 4: Simplify right side
    141,670.32x = 14,198,978,930.93
  5. Step 5: Solve for x
    x = 14,198,978,930.93/141,670.32
  6. Step 6: Final answer
    x = 100,225.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.