Home / 117,812.73-176,720.93-111,831.29

Finding the Fourth Proportional to 117,812.73, 176,720.93 and 111,831.29

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Solution

The fourth proportional to 117,812.73, 176,720.93 and 111,831.29 is: 167,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,812.73 : 176,720.93 = 111,831.29 : x
  2. Step 2: Convert to fraction form
    117,812.73/176,720.93 = 111,831.29/x
  3. Step 3: Cross multiply
    117,812.73x = 176,720.93 × 111,831.29
  4. Step 4: Simplify right side
    117,812.73x = 19,762,928,129.14
  5. Step 5: Solve for x
    x = 19,762,928,129.14/117,812.73
  6. Step 6: Final answer
    x = 167,748.66

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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.