Home / 170,541.58-255,703-70,770.64

Finding the Fourth Proportional to 170,541.58, 255,703 and 70,770.64

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Solution

The fourth proportional to 170,541.58, 255,703 and 70,770.64 is: 106,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,541.58 : 255,703 = 70,770.64 : x
  2. Step 2: Convert to fraction form
    170,541.58/255,703 = 70,770.64/x
  3. Step 3: Cross multiply
    170,541.58x = 255,703 × 70,770.64
  4. Step 4: Simplify right side
    170,541.58x = 18,096,264,959.92
  5. Step 5: Solve for x
    x = 18,096,264,959.92/170,541.58
  6. Step 6: Final answer
    x = 106,110.57

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1.5x scale

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.