Home / 221,030.16-331,544.94-102,636.76

Finding the Fourth Proportional to 221,030.16, 331,544.94 and 102,636.76

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Solution

The fourth proportional to 221,030.16, 331,544.94 and 102,636.76 is: 153,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,030.16 : 331,544.94 = 102,636.76 : x
  2. Step 2: Convert to fraction form
    221,030.16/331,544.94 = 102,636.76/x
  3. Step 3: Cross multiply
    221,030.16x = 331,544.94 × 102,636.76
  4. Step 4: Simplify right side
    221,030.16x = 34,028,698,435.99
  5. Step 5: Solve for x
    x = 34,028,698,435.99/221,030.16
  6. Step 6: Final answer
    x = 153,955.00

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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.