Home / 140,119.26-193,369.24-76,460.55

Finding the Fourth Proportional to 140,119.26, 193,369.24 and 76,460.55

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Solution

The fourth proportional to 140,119.26, 193,369.24 and 76,460.55 is: 105,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.26 : 193,369.24 = 76,460.55 : x
  2. Step 2: Convert to fraction form
    140,119.26/193,369.24 = 76,460.55/x
  3. Step 3: Cross multiply
    140,119.26x = 193,369.24 × 76,460.55
  4. Step 4: Simplify right side
    140,119.26x = 14,785,117,476.64
  5. Step 5: Solve for x
    x = 14,785,117,476.64/140,119.26
  6. Step 6: Final answer
    x = 105,518.10

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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.