Home / 105,422.08-158,154.56-43,097.60

Finding the Fourth Proportional to 105,422.08, 158,154.56 and 43,097.60

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Solution

The fourth proportional to 105,422.08, 158,154.56 and 43,097.60 is: 64,655.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,422.08 : 158,154.56 = 43,097.60 : x
  2. Step 2: Convert to fraction form
    105,422.08/158,154.56 = 43,097.60/x
  3. Step 3: Cross multiply
    105,422.08x = 158,154.56 × 43,097.60
  4. Step 4: Simplify right side
    105,422.08x = 6,816,081,965.06
  5. Step 5: Solve for x
    x = 6,816,081,965.06/105,422.08
  6. Step 6: Final answer
    x = 64,655.16

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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.