Home / 165,072.48-228,013.70-136,507.52

Finding the Fourth Proportional to 165,072.48, 228,013.70 and 136,507.52

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Solution

The fourth proportional to 165,072.48, 228,013.70 and 136,507.52 is: 188,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,072.48 : 228,013.70 = 136,507.52 : x
  2. Step 2: Convert to fraction form
    165,072.48/228,013.70 = 136,507.52/x
  3. Step 3: Cross multiply
    165,072.48x = 228,013.70 × 136,507.52
  4. Step 4: Simplify right side
    165,072.48x = 31,125,584,713.02
  5. Step 5: Solve for x
    x = 31,125,584,713.02/165,072.48
  6. Step 6: Final answer
    x = 188,557.08

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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.