Home / 236,276.99-326,062.31-128,844.26

Finding the Fourth Proportional to 236,276.99, 326,062.31 and 128,844.26

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Solution

The fourth proportional to 236,276.99, 326,062.31 and 128,844.26 is: 177,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,276.99 : 326,062.31 = 128,844.26 : x
  2. Step 2: Convert to fraction form
    236,276.99/326,062.31 = 128,844.26/x
  3. Step 3: Cross multiply
    236,276.99x = 326,062.31 × 128,844.26
  4. Step 4: Simplify right side
    236,276.99x = 42,011,256,401.62
  5. Step 5: Solve for x
    x = 42,011,256,401.62/236,276.99
  6. Step 6: Final answer
    x = 177,805.11

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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.