Home / 181,150.12-249,994.98-100,577.66

Finding the Fourth Proportional to 181,150.12, 249,994.98 and 100,577.66

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Solution

The fourth proportional to 181,150.12, 249,994.98 and 100,577.66 is: 138,801.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,150.12 : 249,994.98 = 100,577.66 : x
  2. Step 2: Convert to fraction form
    181,150.12/249,994.98 = 100,577.66/x
  3. Step 3: Cross multiply
    181,150.12x = 249,994.98 × 100,577.66
  4. Step 4: Simplify right side
    181,150.12x = 25,143,910,100.15
  5. Step 5: Solve for x
    x = 25,143,910,100.15/181,150.12
  6. Step 6: Final answer
    x = 138,801.51

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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.