Home / 164,081.80-246,122.70-89,432.20

Finding the Fourth Proportional to 164,081.80, 246,122.70 and 89,432.20

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Solution

The fourth proportional to 164,081.80, 246,122.70 and 89,432.20 is: 134,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,081.80 : 246,122.70 = 89,432.20 : x
  2. Step 2: Convert to fraction form
    164,081.80/246,122.70 = 89,432.20/x
  3. Step 3: Cross multiply
    164,081.80x = 246,122.70 × 89,432.20
  4. Step 4: Simplify right side
    164,081.80x = 22,011,294,530.94
  5. Step 5: Solve for x
    x = 22,011,294,530.94/164,081.80
  6. Step 6: Final answer
    x = 134,148.30

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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.