Home / 236,864.92-326,859.81-129,435.83

Finding the Fourth Proportional to 236,864.92, 326,859.81 and 129,435.83

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Solution

The fourth proportional to 236,864.92, 326,859.81 and 129,435.83 is: 178,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,864.92 : 326,859.81 = 129,435.83 : x
  2. Step 2: Convert to fraction form
    236,864.92/326,859.81 = 129,435.83/x
  3. Step 3: Cross multiply
    236,864.92x = 326,859.81 × 129,435.83
  4. Step 4: Simplify right side
    236,864.92x = 42,307,370,800.99
  5. Step 5: Solve for x
    x = 42,307,370,800.99/236,864.92
  6. Step 6: Final answer
    x = 178,613.92

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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.