Home / 221,026.16-331,538.94-102,632.76

Finding the Fourth Proportional to 221,026.16, 331,538.94 and 102,632.76

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Solution

The fourth proportional to 221,026.16, 331,538.94 and 102,632.76 is: 153,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,026.16 : 331,538.94 = 102,632.76 : x
  2. Step 2: Convert to fraction form
    221,026.16/331,538.94 = 102,632.76/x
  3. Step 3: Cross multiply
    221,026.16x = 331,538.94 × 102,632.76
  4. Step 4: Simplify right side
    221,026.16x = 34,026,756,459.67
  5. Step 5: Solve for x
    x = 34,026,756,459.67/221,026.16
  6. Step 6: Final answer
    x = 153,949.00

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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.