Home / 134,755.32-185,979.56-112,055.28

Finding the Fourth Proportional to 134,755.32, 185,979.56 and 112,055.28

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Solution

The fourth proportional to 134,755.32, 185,979.56 and 112,055.28 is: 154,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,755.32 : 185,979.56 = 112,055.28 : x
  2. Step 2: Convert to fraction form
    134,755.32/185,979.56 = 112,055.28/x
  3. Step 3: Cross multiply
    134,755.32x = 185,979.56 × 112,055.28
  4. Step 4: Simplify right side
    134,755.32x = 20,839,991,670.08
  5. Step 5: Solve for x
    x = 20,839,991,670.08/134,755.32
  6. Step 6: Final answer
    x = 154,650.60

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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.