Home / 339,947.04-509,918.66-87,227.04

Finding the Fourth Proportional to 339,947.04, 509,918.66 and 87,227.04

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Solution

The fourth proportional to 339,947.04, 509,918.66 and 87,227.04 is: 130,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,947.04 : 509,918.66 = 87,227.04 : x
  2. Step 2: Convert to fraction form
    339,947.04/509,918.66 = 87,227.04/x
  3. Step 3: Cross multiply
    339,947.04x = 509,918.66 × 87,227.04
  4. Step 4: Simplify right side
    339,947.04x = 44,478,695,352.57
  5. Step 5: Solve for x
    x = 44,478,695,352.57/339,947.04
  6. Step 6: Final answer
    x = 130,840.07

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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.