Home / 134,722.96-185,913.68-74,293.60

Finding the Fourth Proportional to 134,722.96, 185,913.68 and 74,293.60

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Solution

The fourth proportional to 134,722.96, 185,913.68 and 74,293.60 is: 102,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,722.96 : 185,913.68 = 74,293.60 : x
  2. Step 2: Convert to fraction form
    134,722.96/185,913.68 = 74,293.60/x
  3. Step 3: Cross multiply
    134,722.96x = 185,913.68 × 74,293.60
  4. Step 4: Simplify right side
    134,722.96x = 13,812,196,576.45
  5. Step 5: Solve for x
    x = 13,812,196,576.45/134,722.96
  6. Step 6: Final answer
    x = 102,522.96

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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.