Home / 115,914.06-160,010.58-75,662.33

Finding the Fourth Proportional to 115,914.06, 160,010.58 and 75,662.33

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Solution

The fourth proportional to 115,914.06, 160,010.58 and 75,662.33 is: 104,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,914.06 : 160,010.58 = 75,662.33 : x
  2. Step 2: Convert to fraction form
    115,914.06/160,010.58 = 75,662.33/x
  3. Step 3: Cross multiply
    115,914.06x = 160,010.58 × 75,662.33
  4. Step 4: Simplify right side
    115,914.06x = 12,106,772,507.40
  5. Step 5: Solve for x
    x = 12,106,772,507.40/115,914.06
  6. Step 6: Final answer
    x = 104,446.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.