Home / 170,339.73-255,540.57-70,445.67

Finding the Fourth Proportional to 170,339.73, 255,540.57 and 70,445.67

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Solution

The fourth proportional to 170,339.73, 255,540.57 and 70,445.67 is: 105,681.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,339.73 : 255,540.57 = 70,445.67 : x
  2. Step 2: Convert to fraction form
    170,339.73/255,540.57 = 70,445.67/x
  3. Step 3: Cross multiply
    170,339.73x = 255,540.57 × 70,445.67
  4. Step 4: Simplify right side
    170,339.73x = 18,001,726,665.83
  5. Step 5: Solve for x
    x = 18,001,726,665.83/170,339.73
  6. Step 6: Final answer
    x = 105,681.32

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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.