Home / 131,178.99-196,832.73-56,276.98

Finding the Fourth Proportional to 131,178.99, 196,832.73 and 56,276.98

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Solution

The fourth proportional to 131,178.99, 196,832.73 and 56,276.98 is: 84,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,178.99 : 196,832.73 = 56,276.98 : x
  2. Step 2: Convert to fraction form
    131,178.99/196,832.73 = 56,276.98/x
  3. Step 3: Cross multiply
    131,178.99x = 196,832.73 × 56,276.98
  4. Step 4: Simplify right side
    131,178.99x = 11,077,151,328.51
  5. Step 5: Solve for x
    x = 11,077,151,328.51/131,178.99
  6. Step 6: Final answer
    x = 84,443.03

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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.