Home / 122,070.41-168,474.23-88,188.51

Finding the Fourth Proportional to 122,070.41, 168,474.23 and 88,188.51

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Solution

The fourth proportional to 122,070.41, 168,474.23 and 88,188.51 is: 121,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,070.41 : 168,474.23 = 88,188.51 : x
  2. Step 2: Convert to fraction form
    122,070.41/168,474.23 = 88,188.51/x
  3. Step 3: Cross multiply
    122,070.41x = 168,474.23 × 88,188.51
  4. Step 4: Simplify right side
    122,070.41x = 14,857,490,876.15
  5. Step 5: Solve for x
    x = 14,857,490,876.15/122,070.41
  6. Step 6: Final answer
    x = 121,712.47

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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.