Home / 190,245.15-285,411.47-57,127.93

Finding the Fourth Proportional to 190,245.15, 285,411.47 and 57,127.93

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Solution

The fourth proportional to 190,245.15, 285,411.47 and 57,127.93 is: 85,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245.15 : 285,411.47 = 57,127.93 : x
  2. Step 2: Convert to fraction form
    190,245.15/285,411.47 = 57,127.93/x
  3. Step 3: Cross multiply
    190,245.15x = 285,411.47 × 57,127.93
  4. Step 4: Simplify right side
    190,245.15x = 16,304,966,479.36
  5. Step 5: Solve for x
    x = 16,304,966,479.36/190,245.15
  6. Step 6: Final answer
    x = 85,705.03

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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.