Home / 354,588.03-489,337.61-193,444.40

Finding the Fourth Proportional to 354,588.03, 489,337.61 and 193,444.40

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Solution

The fourth proportional to 354,588.03, 489,337.61 and 193,444.40 is: 266,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,588.03 : 489,337.61 = 193,444.40 : x
  2. Step 2: Convert to fraction form
    354,588.03/489,337.61 = 193,444.40/x
  3. Step 3: Cross multiply
    354,588.03x = 489,337.61 × 193,444.40
  4. Step 4: Simplify right side
    354,588.03x = 94,659,620,620.01
  5. Step 5: Solve for x
    x = 94,659,620,620.01/354,588.03
  6. Step 6: Final answer
    x = 266,956.62

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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.