Home / 157,450.89-217,271.34-88,550.67

Finding the Fourth Proportional to 157,450.89, 217,271.34 and 88,550.67

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Solution

The fourth proportional to 157,450.89, 217,271.34 and 88,550.67 is: 122,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,450.89 : 217,271.34 = 88,550.67 : x
  2. Step 2: Convert to fraction form
    157,450.89/217,271.34 = 88,550.67/x
  3. Step 3: Cross multiply
    157,450.89x = 217,271.34 × 88,550.67
  4. Step 4: Simplify right side
    157,450.89x = 19,239,522,728.80
  5. Step 5: Solve for x
    x = 19,239,522,728.80/157,450.89
  6. Step 6: Final answer
    x = 122,193.80

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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.