Home / 231,573.78-319,577.53-129,598.42

Finding the Fourth Proportional to 231,573.78, 319,577.53 and 129,598.42

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Solution

The fourth proportional to 231,573.78, 319,577.53 and 129,598.42 is: 178,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,573.78 : 319,577.53 = 129,598.42 : x
  2. Step 2: Convert to fraction form
    231,573.78/319,577.53 = 129,598.42/x
  3. Step 3: Cross multiply
    231,573.78x = 319,577.53 × 129,598.42
  4. Step 4: Simplify right side
    231,573.78x = 41,416,742,955.50
  5. Step 5: Solve for x
    x = 41,416,742,955.50/231,573.78
  6. Step 6: Final answer
    x = 178,849.02

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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.