Home / 238,928.45-358,444.51-72,712.13

Finding the Fourth Proportional to 238,928.45, 358,444.51 and 72,712.13

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Solution

The fourth proportional to 238,928.45, 358,444.51 and 72,712.13 is: 109,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,928.45 : 358,444.51 = 72,712.13 : x
  2. Step 2: Convert to fraction form
    238,928.45/358,444.51 = 72,712.13/x
  3. Step 3: Cross multiply
    238,928.45x = 358,444.51 × 72,712.13
  4. Step 4: Simplify right side
    238,928.45x = 26,063,261,834.90
  5. Step 5: Solve for x
    x = 26,063,261,834.90/238,928.45
  6. Step 6: Final answer
    x = 109,083.96

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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.