Home / 120,978.04-181,468.74-46,102.25

Finding the Fourth Proportional to 120,978.04, 181,468.74 and 46,102.25

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Solution

The fourth proportional to 120,978.04, 181,468.74 and 46,102.25 is: 69,154.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,978.04 : 181,468.74 = 46,102.25 : x
  2. Step 2: Convert to fraction form
    120,978.04/181,468.74 = 46,102.25/x
  3. Step 3: Cross multiply
    120,978.04x = 181,468.74 × 46,102.25
  4. Step 4: Simplify right side
    120,978.04x = 8,366,117,218.67
  5. Step 5: Solve for x
    x = 8,366,117,218.67/120,978.04
  6. Step 6: Final answer
    x = 69,154.02

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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.