Home / 147,427.74-203,289.50-99,598.04

Finding the Fourth Proportional to 147,427.74, 203,289.50 and 99,598.04

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Solution

The fourth proportional to 147,427.74, 203,289.50 and 99,598.04 is: 137,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,427.74 : 203,289.50 = 99,598.04 : x
  2. Step 2: Convert to fraction form
    147,427.74/203,289.50 = 99,598.04/x
  3. Step 3: Cross multiply
    147,427.74x = 203,289.50 × 99,598.04
  4. Step 4: Simplify right side
    147,427.74x = 20,247,234,238.14
  5. Step 5: Solve for x
    x = 20,247,234,238.14/147,427.74
  6. Step 6: Final answer
    x = 137,336.67

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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.