Home / 134,688.42-185,861.52-74,255.67

Finding the Fourth Proportional to 134,688.42, 185,861.52 and 74,255.67

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Solution

The fourth proportional to 134,688.42, 185,861.52 and 74,255.67 is: 102,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,688.42 : 185,861.52 = 74,255.67 : x
  2. Step 2: Convert to fraction form
    134,688.42/185,861.52 = 74,255.67/x
  3. Step 3: Cross multiply
    134,688.42x = 185,861.52 × 74,255.67
  4. Step 4: Simplify right side
    134,688.42x = 13,801,271,694.82
  5. Step 5: Solve for x
    x = 13,801,271,694.82/134,688.42
  6. Step 6: Final answer
    x = 102,468.14

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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.