Home / 140,580.26-194,000.64-76,918.32

Finding the Fourth Proportional to 140,580.26, 194,000.64 and 76,918.32

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Solution

The fourth proportional to 140,580.26, 194,000.64 and 76,918.32 is: 106,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,580.26 : 194,000.64 = 76,918.32 : x
  2. Step 2: Convert to fraction form
    140,580.26/194,000.64 = 76,918.32/x
  3. Step 3: Cross multiply
    140,580.26x = 194,000.64 × 76,918.32
  4. Step 4: Simplify right side
    140,580.26x = 14,922,203,307.72
  5. Step 5: Solve for x
    x = 14,922,203,307.72/140,580.26
  6. Step 6: Final answer
    x = 106,147.22

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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.