Home / 122,857.95-169,596.28-82,595.06

Finding the Fourth Proportional to 122,857.95, 169,596.28 and 82,595.06

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Solution

The fourth proportional to 122,857.95, 169,596.28 and 82,595.06 is: 114,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,857.95 : 169,596.28 = 82,595.06 : x
  2. Step 2: Convert to fraction form
    122,857.95/169,596.28 = 82,595.06/x
  3. Step 3: Cross multiply
    122,857.95x = 169,596.28 × 82,595.06
  4. Step 4: Simplify right side
    122,857.95x = 14,007,815,529.11
  5. Step 5: Solve for x
    x = 14,007,815,529.11/122,857.95
  6. Step 6: Final answer
    x = 114,016.36

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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.