Home / 236,563.92-326,439.72-129,127.68

Finding the Fourth Proportional to 236,563.92, 326,439.72 and 129,127.68

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Solution

The fourth proportional to 236,563.92, 326,439.72 and 129,127.68 is: 178,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,563.92 : 326,439.72 = 129,127.68 : x
  2. Step 2: Convert to fraction form
    236,563.92/326,439.72 = 129,127.68/x
  3. Step 3: Cross multiply
    236,563.92x = 326,439.72 × 129,127.68
  4. Step 4: Simplify right side
    236,563.92x = 42,152,403,703.45
  5. Step 5: Solve for x
    x = 42,152,403,703.45/236,563.92
  6. Step 6: Final answer
    x = 178,186.11

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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.