Home / 142,446.79-213,775.25-67,567.18

Finding the Fourth Proportional to 142,446.79, 213,775.25 and 67,567.18

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Solution

The fourth proportional to 142,446.79, 213,775.25 and 67,567.18 is: 101,400.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,446.79 : 213,775.25 = 67,567.18 : x
  2. Step 2: Convert to fraction form
    142,446.79/213,775.25 = 67,567.18/x
  3. Step 3: Cross multiply
    142,446.79x = 213,775.25 × 67,567.18
  4. Step 4: Simplify right side
    142,446.79x = 14,444,190,796.30
  5. Step 5: Solve for x
    x = 14,444,190,796.30/142,446.79
  6. Step 6: Final answer
    x = 101,400.61

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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.