Home / 115,481.34-173,232.95-45,344.25

Finding the Fourth Proportional to 115,481.34, 173,232.95 and 45,344.25

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Solution

The fourth proportional to 115,481.34, 173,232.95 and 45,344.25 is: 68,020.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,481.34 : 173,232.95 = 45,344.25 : x
  2. Step 2: Convert to fraction form
    115,481.34/173,232.95 = 45,344.25/x
  3. Step 3: Cross multiply
    115,481.34x = 173,232.95 × 45,344.25
  4. Step 4: Simplify right side
    115,481.34x = 7,855,117,966.32
  5. Step 5: Solve for x
    x = 7,855,117,966.32/115,481.34
  6. Step 6: Final answer
    x = 68,020.67

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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.