Home / 139,895.54-193,055.24-76,233.33

Finding the Fourth Proportional to 139,895.54, 193,055.24 and 76,233.33

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Solution

The fourth proportional to 139,895.54, 193,055.24 and 76,233.33 is: 105,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,895.54 : 193,055.24 = 76,233.33 : x
  2. Step 2: Convert to fraction form
    139,895.54/193,055.24 = 76,233.33/x
  3. Step 3: Cross multiply
    139,895.54x = 193,055.24 × 76,233.33
  4. Step 4: Simplify right side
    139,895.54x = 14,717,243,437.98
  5. Step 5: Solve for x
    x = 14,717,243,437.98/139,895.54
  6. Step 6: Final answer
    x = 105,201.67

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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.