Home / 164,056.38-245,892.60-75,318.45

Finding the Fourth Proportional to 164,056.38, 245,892.60 and 75,318.45

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Solution

The fourth proportional to 164,056.38, 245,892.60 and 75,318.45 is: 112,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,056.38 : 245,892.60 = 75,318.45 : x
  2. Step 2: Convert to fraction form
    164,056.38/245,892.60 = 75,318.45/x
  3. Step 3: Cross multiply
    164,056.38x = 245,892.60 × 75,318.45
  4. Step 4: Simplify right side
    164,056.38x = 18,520,249,498.47
  5. Step 5: Solve for x
    x = 18,520,249,498.47/164,056.38
  6. Step 6: Final answer
    x = 112,889.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.