Home / 236,124.05-325,858.10-128,701.04

Finding the Fourth Proportional to 236,124.05, 325,858.10 and 128,701.04

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Solution

The fourth proportional to 236,124.05, 325,858.10 and 128,701.04 is: 177,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,124.05 : 325,858.10 = 128,701.04 : x
  2. Step 2: Convert to fraction form
    236,124.05/325,858.10 = 128,701.04/x
  3. Step 3: Cross multiply
    236,124.05x = 325,858.10 × 128,701.04
  4. Step 4: Simplify right side
    236,124.05x = 41,938,274,089.63
  5. Step 5: Solve for x
    x = 41,938,274,089.63/236,124.05
  6. Step 6: Final answer
    x = 177,611.20

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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.