Home / 374,068.22-561,181.19-121,329.05

Finding the Fourth Proportional to 374,068.22, 561,181.19 and 121,329.05

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Solution

The fourth proportional to 374,068.22, 561,181.19 and 121,329.05 is: 182,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,068.22 : 561,181.19 = 121,329.05 : x
  2. Step 2: Convert to fraction form
    374,068.22/561,181.19 = 121,329.05/x
  3. Step 3: Cross multiply
    374,068.22x = 561,181.19 × 121,329.05
  4. Step 4: Simplify right side
    374,068.22x = 68,087,577,248.02
  5. Step 5: Solve for x
    x = 68,087,577,248.02/374,068.22
  6. Step 6: Final answer
    x = 182,019.15

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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.