Home / 159,012.74-238,562.13-53,831.72

Finding the Fourth Proportional to 159,012.74, 238,562.13 and 53,831.72

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Solution

The fourth proportional to 159,012.74, 238,562.13 and 53,831.72 is: 80,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,012.74 : 238,562.13 = 53,831.72 : x
  2. Step 2: Convert to fraction form
    159,012.74/238,562.13 = 53,831.72/x
  3. Step 3: Cross multiply
    159,012.74x = 238,562.13 × 53,831.72
  4. Step 4: Simplify right side
    159,012.74x = 12,842,209,784.76
  5. Step 5: Solve for x
    x = 12,842,209,784.76/159,012.74
  6. Step 6: Final answer
    x = 80,762.14

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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.