Home / 123,856.36-170,922.48-67,267.72

Finding the Fourth Proportional to 123,856.36, 170,922.48 and 67,267.72

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Solution

The fourth proportional to 123,856.36, 170,922.48 and 67,267.72 is: 92,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,856.36 : 170,922.48 = 67,267.72 : x
  2. Step 2: Convert to fraction form
    123,856.36/170,922.48 = 67,267.72/x
  3. Step 3: Cross multiply
    123,856.36x = 170,922.48 × 67,267.72
  4. Step 4: Simplify right side
    123,856.36x = 11,497,565,526.35
  5. Step 5: Solve for x
    x = 11,497,565,526.35/123,856.36
  6. Step 6: Final answer
    x = 92,829.84

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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.