Home / 188,504.21-282,374.40-87,158.23

Finding the Fourth Proportional to 188,504.21, 282,374.40 and 87,158.23

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Solution

The fourth proportional to 188,504.21, 282,374.40 and 87,158.23 is: 130,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,504.21 : 282,374.40 = 87,158.23 : x
  2. Step 2: Convert to fraction form
    188,504.21/282,374.40 = 87,158.23/x
  3. Step 3: Cross multiply
    188,504.21x = 282,374.40 × 87,158.23
  4. Step 4: Simplify right side
    188,504.21x = 24,611,252,901.31
  5. Step 5: Solve for x
    x = 24,611,252,901.31/188,504.21
  6. Step 6: Final answer
    x = 130,560.76

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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.