Home / 122,128.94-183,194.31-37,887.51

Finding the Fourth Proportional to 122,128.94, 183,194.31 and 37,887.51

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Solution

The fourth proportional to 122,128.94, 183,194.31 and 37,887.51 is: 56,831.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,128.94 : 183,194.31 = 37,887.51 : x
  2. Step 2: Convert to fraction form
    122,128.94/183,194.31 = 37,887.51/x
  3. Step 3: Cross multiply
    122,128.94x = 183,194.31 × 37,887.51
  4. Step 4: Simplify right side
    122,128.94x = 6,940,776,252.07
  5. Step 5: Solve for x
    x = 6,940,776,252.07/122,128.94
  6. Step 6: Final answer
    x = 56,831.55

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1.5x scale

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.