Home / 236,884.64-326,901.66-129,456.32

Finding the Fourth Proportional to 236,884.64, 326,901.66 and 129,456.32

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Solution

The fourth proportional to 236,884.64, 326,901.66 and 129,456.32 is: 178,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,884.64 : 326,901.66 = 129,456.32 : x
  2. Step 2: Convert to fraction form
    236,884.64/326,901.66 = 129,456.32/x
  3. Step 3: Cross multiply
    236,884.64x = 326,901.66 × 129,456.32
  4. Step 4: Simplify right side
    236,884.64x = 42,319,485,905.49
  5. Step 5: Solve for x
    x = 42,319,485,905.49/236,884.64
  6. Step 6: Final answer
    x = 178,650.19

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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.