Home / 236,497.47-326,367.48-129,069.78

Finding the Fourth Proportional to 236,497.47, 326,367.48 and 129,069.78

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Solution

The fourth proportional to 236,497.47, 326,367.48 and 129,069.78 is: 178,116.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,497.47 : 326,367.48 = 129,069.78 : x
  2. Step 2: Convert to fraction form
    236,497.47/326,367.48 = 129,069.78/x
  3. Step 3: Cross multiply
    236,497.47x = 326,367.48 × 129,069.78
  4. Step 4: Simplify right side
    236,497.47x = 42,124,178,842.75
  5. Step 5: Solve for x
    x = 42,124,178,842.75/236,497.47
  6. Step 6: Final answer
    x = 178,116.83

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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.