Home / 236,743.21-326,705.25-129,313.24

Finding the Fourth Proportional to 236,743.21, 326,705.25 and 129,313.24

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Solution

The fourth proportional to 236,743.21, 326,705.25 and 129,313.24 is: 178,452.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,743.21 : 326,705.25 = 129,313.24 : x
  2. Step 2: Convert to fraction form
    236,743.21/326,705.25 = 129,313.24/x
  3. Step 3: Cross multiply
    236,743.21x = 326,705.25 × 129,313.24
  4. Step 4: Simplify right side
    236,743.21x = 42,247,314,402.51
  5. Step 5: Solve for x
    x = 42,247,314,402.51/236,743.21
  6. Step 6: Final answer
    x = 178,452.06

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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.