Home / 236,929.32-326,998.08-145,103.40

Finding the Fourth Proportional to 236,929.32, 326,998.08 and 145,103.40

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Solution

The fourth proportional to 236,929.32, 326,998.08 and 145,103.40 is: 200,264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,929.32 : 326,998.08 = 145,103.40 : x
  2. Step 2: Convert to fraction form
    236,929.32/326,998.08 = 145,103.40/x
  3. Step 3: Cross multiply
    236,929.32x = 326,998.08 × 145,103.40
  4. Step 4: Simplify right side
    236,929.32x = 47,448,533,201.47
  5. Step 5: Solve for x
    x = 47,448,533,201.47/236,929.32
  6. Step 6: Final answer
    x = 200,264.51

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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.