Home / 151,916.75-209,627.24-83,929.67

Finding the Fourth Proportional to 151,916.75, 209,627.24 and 83,929.67

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Solution

The fourth proportional to 151,916.75, 209,627.24 and 83,929.67 is: 115,813.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,916.75 : 209,627.24 = 83,929.67 : x
  2. Step 2: Convert to fraction form
    151,916.75/209,627.24 = 83,929.67/x
  3. Step 3: Cross multiply
    151,916.75x = 209,627.24 × 83,929.67
  4. Step 4: Simplify right side
    151,916.75x = 17,593,943,608.43
  5. Step 5: Solve for x
    x = 17,593,943,608.43/151,916.75
  6. Step 6: Final answer
    x = 115,813.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.