Home / 163,710.45-245,073.60-97,116.30

Finding the Fourth Proportional to 163,710.45, 245,073.60 and 97,116.30

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Solution

The fourth proportional to 163,710.45, 245,073.60 and 97,116.30 is: 145,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,710.45 : 245,073.60 = 97,116.30 : x
  2. Step 2: Convert to fraction form
    163,710.45/245,073.60 = 97,116.30/x
  3. Step 3: Cross multiply
    163,710.45x = 245,073.60 × 97,116.30
  4. Step 4: Simplify right side
    163,710.45x = 23,800,641,259.68
  5. Step 5: Solve for x
    x = 23,800,641,259.68/163,710.45
  6. Step 6: Final answer
    x = 145,382.54

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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.