Home / 236,824.63-326,814.17-129,392.35

Finding the Fourth Proportional to 236,824.63, 326,814.17 and 129,392.35

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Solution

The fourth proportional to 236,824.63, 326,814.17 and 129,392.35 is: 178,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,824.63 : 326,814.17 = 129,392.35 : x
  2. Step 2: Convert to fraction form
    236,824.63/326,814.17 = 129,392.35/x
  3. Step 3: Cross multiply
    236,824.63x = 326,814.17 × 129,392.35
  4. Step 4: Simplify right side
    236,824.63x = 42,287,252,005.60
  5. Step 5: Solve for x
    x = 42,287,252,005.60/236,824.63
  6. Step 6: Final answer
    x = 178,559.35

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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.