Home / 219,623.40-329,435.10-114,428.70

Finding the Fourth Proportional to 219,623.40, 329,435.10 and 114,428.70

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Solution

The fourth proportional to 219,623.40, 329,435.10 and 114,428.70 is: 171,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.40 : 329,435.10 = 114,428.70 : x
  2. Step 2: Convert to fraction form
    219,623.40/329,435.10 = 114,428.70/x
  3. Step 3: Cross multiply
    219,623.40x = 329,435.10 × 114,428.70
  4. Step 4: Simplify right side
    219,623.40x = 37,696,830,227.37
  5. Step 5: Solve for x
    x = 37,696,830,227.37/219,623.40
  6. Step 6: Final answer
    x = 171,643.05

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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.