Home / 120,259.83-180,387.86-41,374.74

Finding the Fourth Proportional to 120,259.83, 180,387.86 and 41,374.74

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Solution

The fourth proportional to 120,259.83, 180,387.86 and 41,374.74 is: 62,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,259.83 : 180,387.86 = 41,374.74 : x
  2. Step 2: Convert to fraction form
    120,259.83/180,387.86 = 41,374.74/x
  3. Step 3: Cross multiply
    120,259.83x = 180,387.86 × 41,374.74
  4. Step 4: Simplify right side
    120,259.83x = 7,463,500,599.78
  5. Step 5: Solve for x
    x = 7,463,500,599.78/120,259.83
  6. Step 6: Final answer
    x = 62,061.46

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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.