Home / 191,143.44-263,754.90-105,088.20

Finding the Fourth Proportional to 191,143.44, 263,754.90 and 105,088.20

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Solution

The fourth proportional to 191,143.44, 263,754.90 and 105,088.20 is: 145,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,143.44 : 263,754.90 = 105,088.20 : x
  2. Step 2: Convert to fraction form
    191,143.44/263,754.90 = 105,088.20/x
  3. Step 3: Cross multiply
    191,143.44x = 263,754.90 × 105,088.20
  4. Step 4: Simplify right side
    191,143.44x = 27,717,527,682.18
  5. Step 5: Solve for x
    x = 27,717,527,682.18/191,143.44
  6. Step 6: Final answer
    x = 145,009.04

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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.