Home / 135,518.48-203,347.12-64,521.44

Finding the Fourth Proportional to 135,518.48, 203,347.12 and 64,521.44

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Solution

The fourth proportional to 135,518.48, 203,347.12 and 64,521.44 is: 96,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,518.48 : 203,347.12 = 64,521.44 : x
  2. Step 2: Convert to fraction form
    135,518.48/203,347.12 = 64,521.44/x
  3. Step 3: Cross multiply
    135,518.48x = 203,347.12 × 64,521.44
  4. Step 4: Simplify right side
    135,518.48x = 13,120,249,002.25
  5. Step 5: Solve for x
    x = 13,120,249,002.25/135,518.48
  6. Step 6: Final answer
    x = 96,815.20

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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.