Home / 181,208.28-250,075.73-100,636.16

Finding the Fourth Proportional to 181,208.28, 250,075.73 and 100,636.16

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Solution

The fourth proportional to 181,208.28, 250,075.73 and 100,636.16 is: 138,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,208.28 : 250,075.73 = 100,636.16 : x
  2. Step 2: Convert to fraction form
    181,208.28/250,075.73 = 100,636.16/x
  3. Step 3: Cross multiply
    181,208.28x = 250,075.73 × 100,636.16
  4. Step 4: Simplify right side
    181,208.28x = 25,166,661,176.40
  5. Step 5: Solve for x
    x = 25,166,661,176.40/181,208.28
  6. Step 6: Final answer
    x = 138,882.51

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1.5x scale

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.