Home / 120,884.84-181,216.06-64,763.56

Finding the Fourth Proportional to 120,884.84, 181,216.06 and 64,763.56

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Solution

The fourth proportional to 120,884.84, 181,216.06 and 64,763.56 is: 97,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,884.84 : 181,216.06 = 64,763.56 : x
  2. Step 2: Convert to fraction form
    120,884.84/181,216.06 = 64,763.56/x
  3. Step 3: Cross multiply
    120,884.84x = 181,216.06 × 64,763.56
  4. Step 4: Simplify right side
    120,884.84x = 11,736,197,174.77
  5. Step 5: Solve for x
    x = 11,736,197,174.77/120,884.84
  6. Step 6: Final answer
    x = 97,085.77

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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.