Home / 170,669.10-256,059.81-80,750.46

Finding the Fourth Proportional to 170,669.10, 256,059.81 and 80,750.46

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Solution

The fourth proportional to 170,669.10, 256,059.81 and 80,750.46 is: 121,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,669.10 : 256,059.81 = 80,750.46 : x
  2. Step 2: Convert to fraction form
    170,669.10/256,059.81 = 80,750.46/x
  3. Step 3: Cross multiply
    170,669.10x = 256,059.81 × 80,750.46
  4. Step 4: Simplify right side
    170,669.10x = 20,676,947,445.01
  5. Step 5: Solve for x
    x = 20,676,947,445.01/170,669.10
  6. Step 6: Final answer
    x = 121,152.26

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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.