Home / 140,603.39-194,032.69-76,941.19

Finding the Fourth Proportional to 140,603.39, 194,032.69 and 76,941.19

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Solution

The fourth proportional to 140,603.39, 194,032.69 and 76,941.19 is: 106,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.39 : 194,032.69 = 76,941.19 : x
  2. Step 2: Convert to fraction form
    140,603.39/194,032.69 = 76,941.19/x
  3. Step 3: Cross multiply
    140,603.39x = 194,032.69 × 76,941.19
  4. Step 4: Simplify right side
    140,603.39x = 14,929,105,390.07
  5. Step 5: Solve for x
    x = 14,929,105,390.07/140,603.39
  6. Step 6: Final answer
    x = 106,178.85

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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.