Home / 154,944.98-213,828.33-86,966.18

Finding the Fourth Proportional to 154,944.98, 213,828.33 and 86,966.18

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Solution

The fourth proportional to 154,944.98, 213,828.33 and 86,966.18 is: 120,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,944.98 : 213,828.33 = 86,966.18 : x
  2. Step 2: Convert to fraction form
    154,944.98/213,828.33 = 86,966.18/x
  3. Step 3: Cross multiply
    154,944.98x = 213,828.33 × 86,966.18
  4. Step 4: Simplify right side
    154,944.98x = 18,595,833,896.57
  5. Step 5: Solve for x
    x = 18,595,833,896.57/154,944.98
  6. Step 6: Final answer
    x = 120,015.72

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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.