Home / 209,112.09-313,666.74-59,352.47

Finding the Fourth Proportional to 209,112.09, 313,666.74 and 59,352.47

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Solution

The fourth proportional to 209,112.09, 313,666.74 and 59,352.47 is: 89,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,112.09 : 313,666.74 = 59,352.47 : x
  2. Step 2: Convert to fraction form
    209,112.09/313,666.74 = 59,352.47/x
  3. Step 3: Cross multiply
    209,112.09x = 313,666.74 × 59,352.47
  4. Step 4: Simplify right side
    209,112.09x = 18,616,894,207.51
  5. Step 5: Solve for x
    x = 18,616,894,207.51/209,112.09
  6. Step 6: Final answer
    x = 89,028.30

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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.