Home / 236,263.43-326,036.41-128,835.56

Finding the Fourth Proportional to 236,263.43, 326,036.41 and 128,835.56

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Solution

The fourth proportional to 236,263.43, 326,036.41 and 128,835.56 is: 177,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,263.43 : 326,036.41 = 128,835.56 : x
  2. Step 2: Convert to fraction form
    236,263.43/326,036.41 = 128,835.56/x
  3. Step 3: Cross multiply
    236,263.43x = 326,036.41 × 128,835.56
  4. Step 4: Simplify right side
    236,263.43x = 42,005,083,955.74
  5. Step 5: Solve for x
    x = 42,005,083,955.74/236,263.43
  6. Step 6: Final answer
    x = 177,789.19

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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.