Home / 219,511.10-329,266.65-53,299.10

Finding the Fourth Proportional to 219,511.10, 329,266.65 and 53,299.10

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Solution

The fourth proportional to 219,511.10, 329,266.65 and 53,299.10 is: 79,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,511.10 : 329,266.65 = 53,299.10 : x
  2. Step 2: Convert to fraction form
    219,511.10/329,266.65 = 53,299.10/x
  3. Step 3: Cross multiply
    219,511.10x = 329,266.65 × 53,299.10
  4. Step 4: Simplify right side
    219,511.10x = 17,549,616,105.02
  5. Step 5: Solve for x
    x = 17,549,616,105.02/219,511.10
  6. Step 6: Final answer
    x = 79,948.65

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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.