Home / 236,080.34-325,781.38-128,648.06

Finding the Fourth Proportional to 236,080.34, 325,781.38 and 128,648.06

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Solution

The fourth proportional to 236,080.34, 325,781.38 and 128,648.06 is: 177,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,080.34 : 325,781.38 = 128,648.06 : x
  2. Step 2: Convert to fraction form
    236,080.34/325,781.38 = 128,648.06/x
  3. Step 3: Cross multiply
    236,080.34x = 325,781.38 × 128,648.06
  4. Step 4: Simplify right side
    236,080.34x = 41,911,142,521.12
  5. Step 5: Solve for x
    x = 41,911,142,521.12/236,080.34
  6. Step 6: Final answer
    x = 177,529.15

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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.