Home / 162,467.46-243,705.38-77,058.36

Finding the Fourth Proportional to 162,467.46, 243,705.38 and 77,058.36

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Solution

The fourth proportional to 162,467.46, 243,705.38 and 77,058.36 is: 115,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,467.46 : 243,705.38 = 77,058.36 : x
  2. Step 2: Convert to fraction form
    162,467.46/243,705.38 = 77,058.36/x
  3. Step 3: Cross multiply
    162,467.46x = 243,705.38 × 77,058.36
  4. Step 4: Simplify right side
    162,467.46x = 18,779,536,520.69
  5. Step 5: Solve for x
    x = 18,779,536,520.69/162,467.46
  6. Step 6: Final answer
    x = 115,589.52

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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.