Home / 191,149.40-263,792.95-105,114.98

Finding the Fourth Proportional to 191,149.40, 263,792.95 and 105,114.98

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Solution

The fourth proportional to 191,149.40, 263,792.95 and 105,114.98 is: 145,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,149.40 : 263,792.95 = 105,114.98 : x
  2. Step 2: Convert to fraction form
    191,149.40/263,792.95 = 105,114.98/x
  3. Step 3: Cross multiply
    191,149.40x = 263,792.95 × 105,114.98
  4. Step 4: Simplify right side
    191,149.40x = 27,728,589,081.64
  5. Step 5: Solve for x
    x = 27,728,589,081.64/191,149.40
  6. Step 6: Final answer
    x = 145,062.40

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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.