Home / 181,444.41-272,172.69-139,388.40

Finding the Fourth Proportional to 181,444.41, 272,172.69 and 139,388.40

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Solution

The fourth proportional to 181,444.41, 272,172.69 and 139,388.40 is: 209,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,444.41 : 272,172.69 = 139,388.40 : x
  2. Step 2: Convert to fraction form
    181,444.41/272,172.69 = 139,388.40/x
  3. Step 3: Cross multiply
    181,444.41x = 272,172.69 × 139,388.40
  4. Step 4: Simplify right side
    181,444.41x = 37,937,715,782.80
  5. Step 5: Solve for x
    x = 37,937,715,782.80/181,444.41
  6. Step 6: Final answer
    x = 209,087.27

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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.