Home / 303,983.85-456,024.78-93,621.72

Finding the Fourth Proportional to 303,983.85, 456,024.78 and 93,621.72

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Solution

The fourth proportional to 303,983.85, 456,024.78 and 93,621.72 is: 140,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,983.85 : 456,024.78 = 93,621.72 : x
  2. Step 2: Convert to fraction form
    303,983.85/456,024.78 = 93,621.72/x
  3. Step 3: Cross multiply
    303,983.85x = 456,024.78 × 93,621.72
  4. Step 4: Simplify right side
    303,983.85x = 42,693,824,266.22
  5. Step 5: Solve for x
    x = 42,693,824,266.22/303,983.85
  6. Step 6: Final answer
    x = 140,447.67

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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.