Home / 236,863.65-326,857.91-129,412.29

Finding the Fourth Proportional to 236,863.65, 326,857.91 and 129,412.29

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Solution

The fourth proportional to 236,863.65, 326,857.91 and 129,412.29 is: 178,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,863.65 : 326,857.91 = 129,412.29 : x
  2. Step 2: Convert to fraction form
    236,863.65/326,857.91 = 129,412.29/x
  3. Step 3: Cross multiply
    236,863.65x = 326,857.91 × 129,412.29
  4. Step 4: Simplify right side
    236,863.65x = 42,299,429,990.65
  5. Step 5: Solve for x
    x = 42,299,429,990.65/236,863.65
  6. Step 6: Final answer
    x = 178,581.35

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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.