Home / 191,144.10-263,755.86-105,088.88

Finding the Fourth Proportional to 191,144.10, 263,755.86 and 105,088.88

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Solution

The fourth proportional to 191,144.10, 263,755.86 and 105,088.88 is: 145,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,144.10 : 263,755.86 = 105,088.88 : x
  2. Step 2: Convert to fraction form
    191,144.10/263,755.86 = 105,088.88/x
  3. Step 3: Cross multiply
    191,144.10x = 263,755.86 × 105,088.88
  4. Step 4: Simplify right side
    191,144.10x = 27,717,807,920.84
  5. Step 5: Solve for x
    x = 27,717,807,920.84/191,144.10
  6. Step 6: Final answer
    x = 145,010.01

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1.5x scale

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.