Home / 236,333.63-326,144.81-128,907.52

Finding the Fourth Proportional to 236,333.63, 326,144.81 and 128,907.52

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Solution

The fourth proportional to 236,333.63, 326,144.81 and 128,907.52 is: 177,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,333.63 : 326,144.81 = 128,907.52 : x
  2. Step 2: Convert to fraction form
    236,333.63/326,144.81 = 128,907.52/x
  3. Step 3: Cross multiply
    236,333.63x = 326,144.81 × 128,907.52
  4. Step 4: Simplify right side
    236,333.63x = 42,042,518,124.88
  5. Step 5: Solve for x
    x = 42,042,518,124.88/236,333.63
  6. Step 6: Final answer
    x = 177,894.77

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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.