Home / 281,247.60-421,871.40-94,265.20

Finding the Fourth Proportional to 281,247.60, 421,871.40 and 94,265.20

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Solution

The fourth proportional to 281,247.60, 421,871.40 and 94,265.20 is: 141,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,247.60 : 421,871.40 = 94,265.20 : x
  2. Step 2: Convert to fraction form
    281,247.60/421,871.40 = 94,265.20/x
  3. Step 3: Cross multiply
    281,247.60x = 421,871.40 × 94,265.20
  4. Step 4: Simplify right side
    281,247.60x = 39,767,791,895.28
  5. Step 5: Solve for x
    x = 39,767,791,895.28/281,247.60
  6. Step 6: Final answer
    x = 141,397.80

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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.