Home / 146,432.68-219,565.80-57,638.06

Finding the Fourth Proportional to 146,432.68, 219,565.80 and 57,638.06

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Solution

The fourth proportional to 146,432.68, 219,565.80 and 57,638.06 is: 86,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,432.68 : 219,565.80 = 57,638.06 : x
  2. Step 2: Convert to fraction form
    146,432.68/219,565.80 = 57,638.06/x
  3. Step 3: Cross multiply
    146,432.68x = 219,565.80 × 57,638.06
  4. Step 4: Simplify right side
    146,432.68x = 12,655,346,754.35
  5. Step 5: Solve for x
    x = 12,655,346,754.35/146,432.68
  6. Step 6: Final answer
    x = 86,424.33

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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.