Home / 181,616.04-272,485.37-80,400.13

Finding the Fourth Proportional to 181,616.04, 272,485.37 and 80,400.13

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Solution

The fourth proportional to 181,616.04, 272,485.37 and 80,400.13 is: 120,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,616.04 : 272,485.37 = 80,400.13 : x
  2. Step 2: Convert to fraction form
    181,616.04/272,485.37 = 80,400.13/x
  3. Step 3: Cross multiply
    181,616.04x = 272,485.37 × 80,400.13
  4. Step 4: Simplify right side
    181,616.04x = 21,907,859,411.20
  5. Step 5: Solve for x
    x = 21,907,859,411.20/181,616.04
  6. Step 6: Final answer
    x = 120,627.34

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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.