Home / 145,832.88-218,771.19-52,360.50

Finding the Fourth Proportional to 145,832.88, 218,771.19 and 52,360.50

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Solution

The fourth proportional to 145,832.88, 218,771.19 and 52,360.50 is: 78,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.88 : 218,771.19 = 52,360.50 : x
  2. Step 2: Convert to fraction form
    145,832.88/218,771.19 = 52,360.50/x
  3. Step 3: Cross multiply
    145,832.88x = 218,771.19 × 52,360.50
  4. Step 4: Simplify right side
    145,832.88x = 11,454,968,894.00
  5. Step 5: Solve for x
    x = 11,454,968,894.00/145,832.88
  6. Step 6: Final answer
    x = 78,548.60

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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.