Home / 434,536.60-651,837.30-154,017.40

Finding the Fourth Proportional to 434,536.60, 651,837.30 and 154,017.40

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Solution

The fourth proportional to 434,536.60, 651,837.30 and 154,017.40 is: 231,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,536.60 : 651,837.30 = 154,017.40 : x
  2. Step 2: Convert to fraction form
    434,536.60/651,837.30 = 154,017.40/x
  3. Step 3: Cross multiply
    434,536.60x = 651,837.30 × 154,017.40
  4. Step 4: Simplify right side
    434,536.60x = 100,394,286,169.02
  5. Step 5: Solve for x
    x = 100,394,286,169.02/434,536.60
  6. Step 6: Final answer
    x = 231,037.58

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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.