Home / 281,077.36-421,554.97-88,966.72

Finding the Fourth Proportional to 281,077.36, 421,554.97 and 88,966.72

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Solution

The fourth proportional to 281,077.36, 421,554.97 and 88,966.72 is: 133,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,077.36 : 421,554.97 = 88,966.72 : x
  2. Step 2: Convert to fraction form
    281,077.36/421,554.97 = 88,966.72/x
  3. Step 3: Cross multiply
    281,077.36x = 421,554.97 × 88,966.72
  4. Step 4: Simplify right side
    281,077.36x = 37,504,363,618.75
  5. Step 5: Solve for x
    x = 37,504,363,618.75/281,077.36
  6. Step 6: Final answer
    x = 133,430.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.