Home / 312,190.34-430,685.18-183,063.25

Finding the Fourth Proportional to 312,190.34, 430,685.18 and 183,063.25

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Solution

The fourth proportional to 312,190.34, 430,685.18 and 183,063.25 is: 252,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,190.34 : 430,685.18 = 183,063.25 : x
  2. Step 2: Convert to fraction form
    312,190.34/430,685.18 = 183,063.25/x
  3. Step 3: Cross multiply
    312,190.34x = 430,685.18 × 183,063.25
  4. Step 4: Simplify right side
    312,190.34x = 78,842,628,319.98
  5. Step 5: Solve for x
    x = 78,842,628,319.98/312,190.34
  6. Step 6: Final answer
    x = 252,546.67

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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.