Home / 165,848.42-228,870.28-90,396.92

Finding the Fourth Proportional to 165,848.42, 228,870.28 and 90,396.92

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Solution

The fourth proportional to 165,848.42, 228,870.28 and 90,396.92 is: 124,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,848.42 : 228,870.28 = 90,396.92 : x
  2. Step 2: Convert to fraction form
    165,848.42/228,870.28 = 90,396.92/x
  3. Step 3: Cross multiply
    165,848.42x = 228,870.28 × 90,396.92
  4. Step 4: Simplify right side
    165,848.42x = 20,689,168,391.54
  5. Step 5: Solve for x
    x = 20,689,168,391.54/165,848.42
  6. Step 6: Final answer
    x = 124,747.46

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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.