Home / 116,831.61-161,236.13-65,152.22

Finding the Fourth Proportional to 116,831.61, 161,236.13 and 65,152.22

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Solution

The fourth proportional to 116,831.61, 161,236.13 and 65,152.22 is: 89,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,831.61 : 161,236.13 = 65,152.22 : x
  2. Step 2: Convert to fraction form
    116,831.61/161,236.13 = 65,152.22/x
  3. Step 3: Cross multiply
    116,831.61x = 161,236.13 × 65,152.22
  4. Step 4: Simplify right side
    116,831.61x = 10,504,890,681.77
  5. Step 5: Solve for x
    x = 10,504,890,681.77/116,831.61
  6. Step 6: Final answer
    x = 89,914.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.