Home / 122,071.41-168,475.61-88,189.51

Finding the Fourth Proportional to 122,071.41, 168,475.61 and 88,189.51

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Solution

The fourth proportional to 122,071.41, 168,475.61 and 88,189.51 is: 121,713.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,071.41 : 168,475.61 = 88,189.51 : x
  2. Step 2: Convert to fraction form
    122,071.41/168,475.61 = 88,189.51/x
  3. Step 3: Cross multiply
    122,071.41x = 168,475.61 × 88,189.51
  4. Step 4: Simplify right side
    122,071.41x = 14,857,781,492.85
  5. Step 5: Solve for x
    x = 14,857,781,492.85/122,071.41
  6. Step 6: Final answer
    x = 121,713.85

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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.