Home / 251,749.50-377,772.48-111,509.34

Finding the Fourth Proportional to 251,749.50, 377,772.48 and 111,509.34

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Solution

The fourth proportional to 251,749.50, 377,772.48 and 111,509.34 is: 167,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,749.50 : 377,772.48 = 111,509.34 : x
  2. Step 2: Convert to fraction form
    251,749.50/377,772.48 = 111,509.34/x
  3. Step 3: Cross multiply
    251,749.50x = 377,772.48 × 111,509.34
  4. Step 4: Simplify right side
    251,749.50x = 42,125,159,914.96
  5. Step 5: Solve for x
    x = 42,125,159,914.96/251,749.50
  6. Step 6: Final answer
    x = 167,329.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.