Home / 126,263.52-188,360.40-122,831.28

Finding the Fourth Proportional to 126,263.52, 188,360.40 and 122,831.28

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Solution

The fourth proportional to 126,263.52, 188,360.40 and 122,831.28 is: 183,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263.52 : 188,360.40 = 122,831.28 : x
  2. Step 2: Convert to fraction form
    126,263.52/188,360.40 = 122,831.28/x
  3. Step 3: Cross multiply
    126,263.52x = 188,360.40 × 122,831.28
  4. Step 4: Simplify right side
    126,263.52x = 23,136,549,033.31
  5. Step 5: Solve for x
    x = 23,136,549,033.31/126,263.52
  6. Step 6: Final answer
    x = 183,240.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.