Home / 236,479.68-326,348.89-129,056.62

Finding the Fourth Proportional to 236,479.68, 326,348.89 and 129,056.62

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Solution

The fourth proportional to 236,479.68, 326,348.89 and 129,056.62 is: 178,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,479.68 : 326,348.89 = 129,056.62 : x
  2. Step 2: Convert to fraction form
    236,479.68/326,348.89 = 129,056.62/x
  3. Step 3: Cross multiply
    236,479.68x = 326,348.89 × 129,056.62
  4. Step 4: Simplify right side
    236,479.68x = 42,117,483,058.20
  5. Step 5: Solve for x
    x = 42,117,483,058.20/236,479.68
  6. Step 6: Final answer
    x = 178,101.91

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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.