Home / 170,424.18-255,353.76-103,662.36

Finding the Fourth Proportional to 170,424.18, 255,353.76 and 103,662.36

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Solution

The fourth proportional to 170,424.18, 255,353.76 and 103,662.36 is: 155,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,424.18 : 255,353.76 = 103,662.36 : x
  2. Step 2: Convert to fraction form
    170,424.18/255,353.76 = 103,662.36/x
  3. Step 3: Cross multiply
    170,424.18x = 255,353.76 × 103,662.36
  4. Step 4: Simplify right side
    170,424.18x = 26,470,573,396.47
  5. Step 5: Solve for x
    x = 26,470,573,396.47/170,424.18
  6. Step 6: Final answer
    x = 155,321.70

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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.