Home / 158,225.46-218,349.29-85,626.67

Finding the Fourth Proportional to 158,225.46, 218,349.29 and 85,626.67

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Solution

The fourth proportional to 158,225.46, 218,349.29 and 85,626.67 is: 118,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,225.46 : 218,349.29 = 85,626.67 : x
  2. Step 2: Convert to fraction form
    158,225.46/218,349.29 = 85,626.67/x
  3. Step 3: Cross multiply
    158,225.46x = 218,349.29 × 85,626.67
  4. Step 4: Simplify right side
    158,225.46x = 18,696,522,599.56
  5. Step 5: Solve for x
    x = 18,696,522,599.56/158,225.46
  6. Step 6: Final answer
    x = 118,163.81

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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.