Home / 170,446.20-255,386.76-103,684.36

Finding the Fourth Proportional to 170,446.20, 255,386.76 and 103,684.36

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Solution

The fourth proportional to 170,446.20, 255,386.76 and 103,684.36 is: 155,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,446.20 : 255,386.76 = 103,684.36 : x
  2. Step 2: Convert to fraction form
    170,446.20/255,386.76 = 103,684.36/x
  3. Step 3: Cross multiply
    170,446.20x = 255,386.76 × 103,684.36
  4. Step 4: Simplify right side
    170,446.20x = 26,479,612,763.07
  5. Step 5: Solve for x
    x = 26,479,612,763.07/170,446.20
  6. Step 6: Final answer
    x = 155,354.67

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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.