Home / 236,101.83-325,811.02-128,669.53

Finding the Fourth Proportional to 236,101.83, 325,811.02 and 128,669.53

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Solution

The fourth proportional to 236,101.83, 325,811.02 and 128,669.53 is: 177,558.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,101.83 : 325,811.02 = 128,669.53 : x
  2. Step 2: Convert to fraction form
    236,101.83/325,811.02 = 128,669.53/x
  3. Step 3: Cross multiply
    236,101.83x = 325,811.02 × 128,669.53
  4. Step 4: Simplify right side
    236,101.83x = 41,921,950,812.22
  5. Step 5: Solve for x
    x = 41,921,950,812.22/236,101.83
  6. Step 6: Final answer
    x = 177,558.77

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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.