Home / 120,852.90-181,208.43-36,587.70

Finding the Fourth Proportional to 120,852.90, 181,208.43 and 36,587.70

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Solution

The fourth proportional to 120,852.90, 181,208.43 and 36,587.70 is: 54,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,852.90 : 181,208.43 = 36,587.70 : x
  2. Step 2: Convert to fraction form
    120,852.90/181,208.43 = 36,587.70/x
  3. Step 3: Cross multiply
    120,852.90x = 181,208.43 × 36,587.70
  4. Step 4: Simplify right side
    120,852.90x = 6,629,999,674.31
  5. Step 5: Solve for x
    x = 6,629,999,674.31/120,852.90
  6. Step 6: Final answer
    x = 54,860.08

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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.