Home / 140,346.06-193,673.26-76,683.77

Finding the Fourth Proportional to 140,346.06, 193,673.26 and 76,683.77

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Solution

The fourth proportional to 140,346.06, 193,673.26 and 76,683.77 is: 105,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,346.06 : 193,673.26 = 76,683.77 : x
  2. Step 2: Convert to fraction form
    140,346.06/193,673.26 = 76,683.77/x
  3. Step 3: Cross multiply
    140,346.06x = 193,673.26 × 76,683.77
  4. Step 4: Simplify right side
    140,346.06x = 14,851,595,724.99
  5. Step 5: Solve for x
    x = 14,851,595,724.99/140,346.06
  6. Step 6: Final answer
    x = 105,821.25

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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.