Home / 142,474.14-213,632.21-58,293.36

Finding the Fourth Proportional to 142,474.14, 213,632.21 and 58,293.36

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Solution

The fourth proportional to 142,474.14, 213,632.21 and 58,293.36 is: 87,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,474.14 : 213,632.21 = 58,293.36 : x
  2. Step 2: Convert to fraction form
    142,474.14/213,632.21 = 58,293.36/x
  3. Step 3: Cross multiply
    142,474.14x = 213,632.21 × 58,293.36
  4. Step 4: Simplify right side
    142,474.14x = 12,453,339,470.86
  5. Step 5: Solve for x
    x = 12,453,339,470.86/142,474.14
  6. Step 6: Final answer
    x = 87,407.72

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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.