Home / 181,283.11-250,210.70-100,738.33

Finding the Fourth Proportional to 181,283.11, 250,210.70 and 100,738.33

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Solution

The fourth proportional to 181,283.11, 250,210.70 and 100,738.33 is: 139,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,283.11 : 250,210.70 = 100,738.33 : x
  2. Step 2: Convert to fraction form
    181,283.11/250,210.70 = 100,738.33/x
  3. Step 3: Cross multiply
    181,283.11x = 250,210.70 × 100,738.33
  4. Step 4: Simplify right side
    181,283.11x = 25,205,808,066.13
  5. Step 5: Solve for x
    x = 25,205,808,066.13/181,283.11
  6. Step 6: Final answer
    x = 139,041.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.