Home / 190,510.60-285,729.46-95,714.51

Finding the Fourth Proportional to 190,510.60, 285,729.46 and 95,714.51

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Solution

The fourth proportional to 190,510.60, 285,729.46 and 95,714.51 is: 143,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,510.60 : 285,729.46 = 95,714.51 : x
  2. Step 2: Convert to fraction form
    190,510.60/285,729.46 = 95,714.51/x
  3. Step 3: Cross multiply
    190,510.60x = 285,729.46 × 95,714.51
  4. Step 4: Simplify right side
    190,510.60x = 27,348,454,777.89
  5. Step 5: Solve for x
    x = 27,348,454,777.89/190,510.60
  6. Step 6: Final answer
    x = 143,553.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.