Home / 352,318.10-528,088.35-194,659.70

Finding the Fourth Proportional to 352,318.10, 528,088.35 and 194,659.70

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Solution

The fourth proportional to 352,318.10, 528,088.35 and 194,659.70 is: 291,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,318.10 : 528,088.35 = 194,659.70 : x
  2. Step 2: Convert to fraction form
    352,318.10/528,088.35 = 194,659.70/x
  3. Step 3: Cross multiply
    352,318.10x = 528,088.35 × 194,659.70
  4. Step 4: Simplify right side
    352,318.10x = 102,797,519,784.50
  5. Step 5: Solve for x
    x = 102,797,519,784.50/352,318.10
  6. Step 6: Final answer
    x = 291,774.73

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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.