Home / 209,001.89-313,501.16-124,200.45

Finding the Fourth Proportional to 209,001.89, 313,501.16 and 124,200.45

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Solution

The fourth proportional to 209,001.89, 313,501.16 and 124,200.45 is: 186,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,001.89 : 313,501.16 = 124,200.45 : x
  2. Step 2: Convert to fraction form
    209,001.89/313,501.16 = 124,200.45/x
  3. Step 3: Cross multiply
    209,001.89x = 313,501.16 × 124,200.45
  4. Step 4: Simplify right side
    209,001.89x = 38,936,984,226.99
  5. Step 5: Solve for x
    x = 38,936,984,226.99/209,001.89
  6. Step 6: Final answer
    x = 186,299.68

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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.