Home / 157,674.20-236,511.30-82,765.40

Finding the Fourth Proportional to 157,674.20, 236,511.30 and 82,765.40

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Solution

The fourth proportional to 157,674.20, 236,511.30 and 82,765.40 is: 124,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,674.20 : 236,511.30 = 82,765.40 : x
  2. Step 2: Convert to fraction form
    157,674.20/236,511.30 = 82,765.40/x
  3. Step 3: Cross multiply
    157,674.20x = 236,511.30 × 82,765.40
  4. Step 4: Simplify right side
    157,674.20x = 19,574,952,349.02
  5. Step 5: Solve for x
    x = 19,574,952,349.02/157,674.20
  6. Step 6: Final answer
    x = 124,148.10

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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.