Home / 230,654.40-345,929.28-105,875.52

Finding the Fourth Proportional to 230,654.40, 345,929.28 and 105,875.52

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Solution

The fourth proportional to 230,654.40, 345,929.28 and 105,875.52 is: 158,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,654.40 : 345,929.28 = 105,875.52 : x
  2. Step 2: Convert to fraction form
    230,654.40/345,929.28 = 105,875.52/x
  3. Step 3: Cross multiply
    230,654.40x = 345,929.28 × 105,875.52
  4. Step 4: Simplify right side
    230,654.40x = 36,625,442,403.23
  5. Step 5: Solve for x
    x = 36,625,442,403.23/230,654.40
  6. Step 6: Final answer
    x = 158,789.26

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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.