Home / 219,117.33-328,725.23-69,366.60

Finding the Fourth Proportional to 219,117.33, 328,725.23 and 69,366.60

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Solution

The fourth proportional to 219,117.33, 328,725.23 and 69,366.60 is: 104,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,117.33 : 328,725.23 = 69,366.60 : x
  2. Step 2: Convert to fraction form
    219,117.33/328,725.23 = 69,366.60/x
  3. Step 3: Cross multiply
    219,117.33x = 328,725.23 × 69,366.60
  4. Step 4: Simplify right side
    219,117.33x = 22,802,551,539.32
  5. Step 5: Solve for x
    x = 22,802,551,539.32/219,117.33
  6. Step 6: Final answer
    x = 104,065.49

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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.