Home / 236,694.65-326,624.27-129,242.88

Finding the Fourth Proportional to 236,694.65, 326,624.27 and 129,242.88

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Solution

The fourth proportional to 236,694.65, 326,624.27 and 129,242.88 is: 178,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,694.65 : 326,624.27 = 129,242.88 : x
  2. Step 2: Convert to fraction form
    236,694.65/326,624.27 = 129,242.88/x
  3. Step 3: Cross multiply
    236,694.65x = 326,624.27 × 129,242.88
  4. Step 4: Simplify right side
    236,694.65x = 42,213,860,686.48
  5. Step 5: Solve for x
    x = 42,213,860,686.48/236,694.65
  6. Step 6: Final answer
    x = 178,347.34

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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.