Home / 209,048.48-313,976.28-179,130.32

Finding the Fourth Proportional to 209,048.48, 313,976.28 and 179,130.32

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Solution

The fourth proportional to 209,048.48, 313,976.28 and 179,130.32 is: 269,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,048.48 : 313,976.28 = 179,130.32 : x
  2. Step 2: Convert to fraction form
    209,048.48/313,976.28 = 179,130.32/x
  3. Step 3: Cross multiply
    209,048.48x = 313,976.28 × 179,130.32
  4. Step 4: Simplify right side
    209,048.48x = 56,242,671,508.81
  5. Step 5: Solve for x
    x = 56,242,671,508.81/209,048.48
  6. Step 6: Final answer
    x = 269,041.28

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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.