Home / 221,018.14-331,526.94-102,624.76

Finding the Fourth Proportional to 221,018.14, 331,526.94 and 102,624.76

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Solution

The fourth proportional to 221,018.14, 331,526.94 and 102,624.76 is: 153,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,018.14 : 331,526.94 = 102,624.76 : x
  2. Step 2: Convert to fraction form
    221,018.14/331,526.94 = 102,624.76/x
  3. Step 3: Cross multiply
    221,018.14x = 331,526.94 × 102,624.76
  4. Step 4: Simplify right side
    221,018.14x = 34,022,872,651.03
  5. Step 5: Solve for x
    x = 34,022,872,651.03/221,018.14
  6. Step 6: Final answer
    x = 153,937.01

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1.5x scale

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.