Home / 102,193.47-141,025.64-57,481.47

Finding the Fourth Proportional to 102,193.47, 141,025.64 and 57,481.47

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Solution

The fourth proportional to 102,193.47, 141,025.64 and 57,481.47 is: 79,323.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.47 : 141,025.64 = 57,481.47 : x
  2. Step 2: Convert to fraction form
    102,193.47/141,025.64 = 57,481.47/x
  3. Step 3: Cross multiply
    102,193.47x = 141,025.64 × 57,481.47
  4. Step 4: Simplify right side
    102,193.47x = 8,106,360,807.48
  5. Step 5: Solve for x
    x = 8,106,360,807.48/102,193.47
  6. Step 6: Final answer
    x = 79,323.67

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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.