Home / 236,688.96-326,633.37-129,262.16

Finding the Fourth Proportional to 236,688.96, 326,633.37 and 129,262.16

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Solution

The fourth proportional to 236,688.96, 326,633.37 and 129,262.16 is: 178,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,688.96 : 326,633.37 = 129,262.16 : x
  2. Step 2: Convert to fraction form
    236,688.96/326,633.37 = 129,262.16/x
  3. Step 3: Cross multiply
    236,688.96x = 326,633.37 × 129,262.16
  4. Step 4: Simplify right side
    236,688.96x = 42,221,334,934.28
  5. Step 5: Solve for x
    x = 42,221,334,934.28/236,688.96
  6. Step 6: Final answer
    x = 178,383.20

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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.