Home / 140,522.55-193,925.73-76,860.34

Finding the Fourth Proportional to 140,522.55, 193,925.73 and 76,860.34

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Solution

The fourth proportional to 140,522.55, 193,925.73 and 76,860.34 is: 106,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,522.55 : 193,925.73 = 76,860.34 : x
  2. Step 2: Convert to fraction form
    140,522.55/193,925.73 = 76,860.34/x
  3. Step 3: Cross multiply
    140,522.55x = 193,925.73 × 76,860.34
  4. Step 4: Simplify right side
    140,522.55x = 14,905,197,542.55
  5. Step 5: Solve for x
    x = 14,905,197,542.55/140,522.55
  6. Step 6: Final answer
    x = 106,069.79

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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.