Home / 100,852.96-151,360.08-45,453.28

Finding the Fourth Proportional to 100,852.96, 151,360.08 and 45,453.28

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Solution

The fourth proportional to 100,852.96, 151,360.08 and 45,453.28 is: 68,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.96 : 151,360.08 = 45,453.28 : x
  2. Step 2: Convert to fraction form
    100,852.96/151,360.08 = 45,453.28/x
  3. Step 3: Cross multiply
    100,852.96x = 151,360.08 × 45,453.28
  4. Step 4: Simplify right side
    100,852.96x = 6,879,812,097.06
  5. Step 5: Solve for x
    x = 6,879,812,097.06/100,852.96
  6. Step 6: Final answer
    x = 68,216.26

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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.