Home / 281,047.20-421,570.80-94,058.70

Finding the Fourth Proportional to 281,047.20, 421,570.80 and 94,058.70

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Solution

The fourth proportional to 281,047.20, 421,570.80 and 94,058.70 is: 141,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,047.20 : 421,570.80 = 94,058.70 : x
  2. Step 2: Convert to fraction form
    281,047.20/421,570.80 = 94,058.70/x
  3. Step 3: Cross multiply
    281,047.20x = 421,570.80 × 94,058.70
  4. Step 4: Simplify right side
    281,047.20x = 39,652,401,405.96
  5. Step 5: Solve for x
    x = 39,652,401,405.96/281,047.20
  6. Step 6: Final answer
    x = 141,088.05

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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.