Home / 122,049.36-168,444.72-73,653.66

Finding the Fourth Proportional to 122,049.36, 168,444.72 and 73,653.66

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Solution

The fourth proportional to 122,049.36, 168,444.72 and 73,653.66 is: 101,652.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,049.36 : 168,444.72 = 73,653.66 : x
  2. Step 2: Convert to fraction form
    122,049.36/168,444.72 = 73,653.66/x
  3. Step 3: Cross multiply
    122,049.36x = 168,444.72 × 73,653.66
  4. Step 4: Simplify right side
    122,049.36x = 12,406,570,135.68
  5. Step 5: Solve for x
    x = 12,406,570,135.68/122,049.36
  6. Step 6: Final answer
    x = 101,652.07

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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.