Home / 190,614.13-263,047.76-105,731.19

Finding the Fourth Proportional to 190,614.13, 263,047.76 and 105,731.19

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Solution

The fourth proportional to 190,614.13, 263,047.76 and 105,731.19 is: 145,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,614.13 : 263,047.76 = 105,731.19 : x
  2. Step 2: Convert to fraction form
    190,614.13/263,047.76 = 105,731.19/x
  3. Step 3: Cross multiply
    190,614.13x = 263,047.76 × 105,731.19
  4. Step 4: Simplify right side
    190,614.13x = 27,812,352,691.63
  5. Step 5: Solve for x
    x = 27,812,352,691.63/190,614.13
  6. Step 6: Final answer
    x = 145,909.19

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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.