Home / 461,742.40-692,548.80-146,231.20

Finding the Fourth Proportional to 461,742.40, 692,548.80 and 146,231.20

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Solution

The fourth proportional to 461,742.40, 692,548.80 and 146,231.20 is: 219,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,742.40 : 692,548.80 = 146,231.20 : x
  2. Step 2: Convert to fraction form
    461,742.40/692,548.80 = 146,231.20/x
  3. Step 3: Cross multiply
    461,742.40x = 692,548.80 × 146,231.20
  4. Step 4: Simplify right side
    461,742.40x = 101,272,242,082.56
  5. Step 5: Solve for x
    x = 101,272,242,082.56/461,742.40
  6. Step 6: Final answer
    x = 219,326.28

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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.