Home / 131,623.63-197,451.84-42,853.30

Finding the Fourth Proportional to 131,623.63, 197,451.84 and 42,853.30

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Solution

The fourth proportional to 131,623.63, 197,451.84 and 42,853.30 is: 64,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,623.63 : 197,451.84 = 42,853.30 : x
  2. Step 2: Convert to fraction form
    131,623.63/197,451.84 = 42,853.30/x
  3. Step 3: Cross multiply
    131,623.63x = 197,451.84 × 42,853.30
  4. Step 4: Simplify right side
    131,623.63x = 8,461,462,602.14
  5. Step 5: Solve for x
    x = 8,461,462,602.14/131,623.63
  6. Step 6: Final answer
    x = 64,285.29

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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.