Home / 145,364.36-200,682.42-88,013.96

Finding the Fourth Proportional to 145,364.36, 200,682.42 and 88,013.96

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Solution

The fourth proportional to 145,364.36, 200,682.42 and 88,013.96 is: 121,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,364.36 : 200,682.42 = 88,013.96 : x
  2. Step 2: Convert to fraction form
    145,364.36/200,682.42 = 88,013.96/x
  3. Step 3: Cross multiply
    145,364.36x = 200,682.42 × 88,013.96
  4. Step 4: Simplify right side
    145,364.36x = 17,662,854,486.58
  5. Step 5: Solve for x
    x = 17,662,854,486.58/145,364.36
  6. Step 6: Final answer
    x = 121,507.46

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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.