Home / 243,983.51-336,707.77-135,087.85

Finding the Fourth Proportional to 243,983.51, 336,707.77 and 135,087.85

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Solution

The fourth proportional to 243,983.51, 336,707.77 and 135,087.85 is: 186,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,983.51 : 336,707.77 = 135,087.85 : x
  2. Step 2: Convert to fraction form
    243,983.51/336,707.77 = 135,087.85/x
  3. Step 3: Cross multiply
    243,983.51x = 336,707.77 × 135,087.85
  4. Step 4: Simplify right side
    243,983.51x = 45,485,128,727.59
  5. Step 5: Solve for x
    x = 45,485,128,727.59/243,983.51
  6. Step 6: Final answer
    x = 186,427.06

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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.