Home / 190,695.48-263,158.92-105,812.34

Finding the Fourth Proportional to 190,695.48, 263,158.92 and 105,812.34

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Solution

The fourth proportional to 190,695.48, 263,158.92 and 105,812.34 is: 146,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,695.48 : 263,158.92 = 105,812.34 : x
  2. Step 2: Convert to fraction form
    190,695.48/263,158.92 = 105,812.34/x
  3. Step 3: Cross multiply
    190,695.48x = 263,158.92 × 105,812.34
  4. Step 4: Simplify right side
    190,695.48x = 27,845,461,117.07
  5. Step 5: Solve for x
    x = 27,845,461,117.07/190,695.48
  6. Step 6: Final answer
    x = 146,020.56

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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.