Home / 236,787.14-326,771.07-129,364.13

Finding the Fourth Proportional to 236,787.14, 326,771.07 and 129,364.13

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Solution

The fourth proportional to 236,787.14, 326,771.07 and 129,364.13 is: 178,525.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,787.14 : 326,771.07 = 129,364.13 : x
  2. Step 2: Convert to fraction form
    236,787.14/326,771.07 = 129,364.13/x
  3. Step 3: Cross multiply
    236,787.14x = 326,771.07 × 129,364.13
  4. Step 4: Simplify right side
    236,787.14x = 42,272,455,179.72
  5. Step 5: Solve for x
    x = 42,272,455,179.72/236,787.14
  6. Step 6: Final answer
    x = 178,525.13

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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.