Home / 147,556.96-221,558.40-117,886.72

Finding the Fourth Proportional to 147,556.96, 221,558.40 and 117,886.72

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Solution

The fourth proportional to 147,556.96, 221,558.40 and 117,886.72 is: 177,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,556.96 : 221,558.40 = 117,886.72 : x
  2. Step 2: Convert to fraction form
    147,556.96/221,558.40 = 117,886.72/x
  3. Step 3: Cross multiply
    147,556.96x = 221,558.40 × 117,886.72
  4. Step 4: Simplify right side
    147,556.96x = 26,118,793,064.45
  5. Step 5: Solve for x
    x = 26,118,793,064.45/147,556.96
  6. Step 6: Final answer
    x = 177,008.21

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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.