Home / 122,427.92-169,010.35-95,139.63

Finding the Fourth Proportional to 122,427.92, 169,010.35 and 95,139.63

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Solution

The fourth proportional to 122,427.92, 169,010.35 and 95,139.63 is: 131,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,427.92 : 169,010.35 = 95,139.63 : x
  2. Step 2: Convert to fraction form
    122,427.92/169,010.35 = 95,139.63/x
  3. Step 3: Cross multiply
    122,427.92x = 169,010.35 × 95,139.63
  4. Step 4: Simplify right side
    122,427.92x = 16,079,581,927.32
  5. Step 5: Solve for x
    x = 16,079,581,927.32/122,427.92
  6. Step 6: Final answer
    x = 131,339.17

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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.