Home / 120,451.86-180,698.28-41,547.60

Finding the Fourth Proportional to 120,451.86, 180,698.28 and 41,547.60

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Solution

The fourth proportional to 120,451.86, 180,698.28 and 41,547.60 is: 62,328.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,451.86 : 180,698.28 = 41,547.60 : x
  2. Step 2: Convert to fraction form
    120,451.86/180,698.28 = 41,547.60/x
  3. Step 3: Cross multiply
    120,451.86x = 180,698.28 × 41,547.60
  4. Step 4: Simplify right side
    120,451.86x = 7,507,579,858.13
  5. Step 5: Solve for x
    x = 7,507,579,858.13/120,451.86
  6. Step 6: Final answer
    x = 62,328.47

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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.