Home / 152,968.19-211,094.83-85,898.75

Finding the Fourth Proportional to 152,968.19, 211,094.83 and 85,898.75

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Solution

The fourth proportional to 152,968.19, 211,094.83 and 85,898.75 is: 118,539.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,968.19 : 211,094.83 = 85,898.75 : x
  2. Step 2: Convert to fraction form
    152,968.19/211,094.83 = 85,898.75/x
  3. Step 3: Cross multiply
    152,968.19x = 211,094.83 × 85,898.75
  4. Step 4: Simplify right side
    152,968.19x = 18,132,782,028.46
  5. Step 5: Solve for x
    x = 18,132,782,028.46/152,968.19
  6. Step 6: Final answer
    x = 118,539.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.