Home / 355,756.26-533,631.48-145,246.57

Finding the Fourth Proportional to 355,756.26, 533,631.48 and 145,246.57

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Solution

The fourth proportional to 355,756.26, 533,631.48 and 145,246.57 is: 217,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,756.26 : 533,631.48 = 145,246.57 : x
  2. Step 2: Convert to fraction form
    355,756.26/533,631.48 = 145,246.57/x
  3. Step 3: Cross multiply
    355,756.26x = 533,631.48 × 145,246.57
  4. Step 4: Simplify right side
    355,756.26x = 77,508,142,114.02
  5. Step 5: Solve for x
    x = 77,508,142,114.02/355,756.26
  6. Step 6: Final answer
    x = 217,868.67

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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.