Home / 122,110.56-168,527.52-74,370.84

Finding the Fourth Proportional to 122,110.56, 168,527.52 and 74,370.84

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Solution

The fourth proportional to 122,110.56, 168,527.52 and 74,370.84 is: 102,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,110.56 : 168,527.52 = 74,370.84 : x
  2. Step 2: Convert to fraction form
    122,110.56/168,527.52 = 74,370.84/x
  3. Step 3: Cross multiply
    122,110.56x = 168,527.52 × 74,370.84
  4. Step 4: Simplify right side
    122,110.56x = 12,533,533,225.52
  5. Step 5: Solve for x
    x = 12,533,533,225.52/122,110.56
  6. Step 6: Final answer
    x = 102,640.86

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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.