Home / 219,746.88-329,511.27-69,967.66

Finding the Fourth Proportional to 219,746.88, 329,511.27 and 69,967.66

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Solution

The fourth proportional to 219,746.88, 329,511.27 and 69,967.66 is: 104,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,746.88 : 329,511.27 = 69,967.66 : x
  2. Step 2: Convert to fraction form
    219,746.88/329,511.27 = 69,967.66/x
  3. Step 3: Cross multiply
    219,746.88x = 329,511.27 × 69,967.66
  4. Step 4: Simplify right side
    219,746.88x = 23,055,132,505.53
  5. Step 5: Solve for x
    x = 23,055,132,505.53/219,746.88
  6. Step 6: Final answer
    x = 104,916.77

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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.