Home / 126,668.55-174,831.84-83,656.59

Finding the Fourth Proportional to 126,668.55, 174,831.84 and 83,656.59

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Solution

The fourth proportional to 126,668.55, 174,831.84 and 83,656.59 is: 115,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,668.55 : 174,831.84 = 83,656.59 : x
  2. Step 2: Convert to fraction form
    126,668.55/174,831.84 = 83,656.59/x
  3. Step 3: Cross multiply
    126,668.55x = 174,831.84 × 83,656.59
  4. Step 4: Simplify right side
    126,668.55x = 14,625,835,557.83
  5. Step 5: Solve for x
    x = 14,625,835,557.83/126,668.55
  6. Step 6: Final answer
    x = 115,465.41

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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.