Home / 236,867.52-326,881.45-129,442.08

Finding the Fourth Proportional to 236,867.52, 326,881.45 and 129,442.08

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Solution

The fourth proportional to 236,867.52, 326,881.45 and 129,442.08 is: 178,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,867.52 : 326,881.45 = 129,442.08 : x
  2. Step 2: Convert to fraction form
    236,867.52/326,881.45 = 129,442.08/x
  3. Step 3: Cross multiply
    236,867.52x = 326,881.45 × 129,442.08
  4. Step 4: Simplify right side
    236,867.52x = 42,312,214,801.42
  5. Step 5: Solve for x
    x = 42,312,214,801.42/236,867.52
  6. Step 6: Final answer
    x = 178,632.41

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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.