Home / 134,102.85-185,056.54-73,670.55

Finding the Fourth Proportional to 134,102.85, 185,056.54 and 73,670.55

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Solution

The fourth proportional to 134,102.85, 185,056.54 and 73,670.55 is: 101,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,102.85 : 185,056.54 = 73,670.55 : x
  2. Step 2: Convert to fraction form
    134,102.85/185,056.54 = 73,670.55/x
  3. Step 3: Cross multiply
    134,102.85x = 185,056.54 × 73,670.55
  4. Step 4: Simplify right side
    134,102.85x = 13,633,217,082.90
  5. Step 5: Solve for x
    x = 13,633,217,082.90/134,102.85
  6. Step 6: Final answer
    x = 101,662.40

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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.