Home / 134,081.51-201,119.67-54,117.36

Finding the Fourth Proportional to 134,081.51, 201,119.67 and 54,117.36

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Solution

The fourth proportional to 134,081.51, 201,119.67 and 54,117.36 is: 81,175.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,081.51 : 201,119.67 = 54,117.36 : x
  2. Step 2: Convert to fraction form
    134,081.51/201,119.67 = 54,117.36/x
  3. Step 3: Cross multiply
    134,081.51x = 201,119.67 × 54,117.36
  4. Step 4: Simplify right side
    134,081.51x = 10,884,065,584.47
  5. Step 5: Solve for x
    x = 10,884,065,584.47/134,081.51
  6. Step 6: Final answer
    x = 81,175.00

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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.