Home / 217,703.78-326,676.63-117,862.50

Finding the Fourth Proportional to 217,703.78, 326,676.63 and 117,862.50

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Solution

The fourth proportional to 217,703.78, 326,676.63 and 117,862.50 is: 176,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,703.78 : 326,676.63 = 117,862.50 : x
  2. Step 2: Convert to fraction form
    217,703.78/326,676.63 = 117,862.50/x
  3. Step 3: Cross multiply
    217,703.78x = 326,676.63 × 117,862.50
  4. Step 4: Simplify right side
    217,703.78x = 38,502,924,303.38
  5. Step 5: Solve for x
    x = 38,502,924,303.38/217,703.78
  6. Step 6: Final answer
    x = 176,859.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.