Home / 142,831.56-214,197.96-58,567.80

Finding the Fourth Proportional to 142,831.56, 214,197.96 and 58,567.80

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Solution

The fourth proportional to 142,831.56, 214,197.96 and 58,567.80 is: 87,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,831.56 : 214,197.96 = 58,567.80 : x
  2. Step 2: Convert to fraction form
    142,831.56/214,197.96 = 58,567.80/x
  3. Step 3: Cross multiply
    142,831.56x = 214,197.96 × 58,567.80
  4. Step 4: Simplify right side
    142,831.56x = 12,545,103,281.69
  5. Step 5: Solve for x
    x = 12,545,103,281.69/142,831.56
  6. Step 6: Final answer
    x = 87,831.45

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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.