Home / 236,335.48-326,146.86-128,905.52

Finding the Fourth Proportional to 236,335.48, 326,146.86 and 128,905.52

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Solution

The fourth proportional to 236,335.48, 326,146.86 and 128,905.52 is: 177,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,335.48 : 326,146.86 = 128,905.52 : x
  2. Step 2: Convert to fraction form
    236,335.48/326,146.86 = 128,905.52/x
  3. Step 3: Cross multiply
    236,335.48x = 326,146.86 × 128,905.52
  4. Step 4: Simplify right side
    236,335.48x = 42,042,130,584.67
  5. Step 5: Solve for x
    x = 42,042,130,584.67/236,335.48
  6. Step 6: Final answer
    x = 177,891.74

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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.