Home / 135,088.58-186,187.59-98,730.51

Finding the Fourth Proportional to 135,088.58, 186,187.59 and 98,730.51

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Solution

The fourth proportional to 135,088.58, 186,187.59 and 98,730.51 is: 136,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,088.58 : 186,187.59 = 98,730.51 : x
  2. Step 2: Convert to fraction form
    135,088.58/186,187.59 = 98,730.51/x
  3. Step 3: Cross multiply
    135,088.58x = 186,187.59 × 98,730.51
  4. Step 4: Simplify right side
    135,088.58x = 18,382,395,716.37
  5. Step 5: Solve for x
    x = 18,382,395,716.37/135,088.58
  6. Step 6: Final answer
    x = 136,076.61

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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.