Home / 115,533.03-173,148.57-83,619.56

Finding the Fourth Proportional to 115,533.03, 173,148.57 and 83,619.56

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Solution

The fourth proportional to 115,533.03, 173,148.57 and 83,619.56 is: 125,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,533.03 : 173,148.57 = 83,619.56 : x
  2. Step 2: Convert to fraction form
    115,533.03/173,148.57 = 83,619.56/x
  3. Step 3: Cross multiply
    115,533.03x = 173,148.57 × 83,619.56
  4. Step 4: Simplify right side
    115,533.03x = 14,478,607,238.03
  5. Step 5: Solve for x
    x = 14,478,607,238.03/115,533.03
  6. Step 6: Final answer
    x = 125,320.07

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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.