Home / 164,520.09-246,743.19-75,688.20

Finding the Fourth Proportional to 164,520.09, 246,743.19 and 75,688.20

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Solution

The fourth proportional to 164,520.09, 246,743.19 and 75,688.20 is: 113,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,520.09 : 246,743.19 = 75,688.20 : x
  2. Step 2: Convert to fraction form
    164,520.09/246,743.19 = 75,688.20/x
  3. Step 3: Cross multiply
    164,520.09x = 246,743.19 × 75,688.20
  4. Step 4: Simplify right side
    164,520.09x = 18,675,547,913.36
  5. Step 5: Solve for x
    x = 18,675,547,913.36/164,520.09
  6. Step 6: Final answer
    x = 113,515.30

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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.