Home / 165,693.15-228,656.52-90,241.65

Finding the Fourth Proportional to 165,693.15, 228,656.52 and 90,241.65

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Solution

The fourth proportional to 165,693.15, 228,656.52 and 90,241.65 is: 124,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,693.15 : 228,656.52 = 90,241.65 : x
  2. Step 2: Convert to fraction form
    165,693.15/228,656.52 = 90,241.65/x
  3. Step 3: Cross multiply
    165,693.15x = 228,656.52 × 90,241.65
  4. Step 4: Simplify right side
    165,693.15x = 20,634,341,648.06
  5. Step 5: Solve for x
    x = 20,634,341,648.06/165,693.15
  6. Step 6: Final answer
    x = 124,533.46

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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.