Home / 190,440.37-285,669.65-157,098.61

Finding the Fourth Proportional to 190,440.37, 285,669.65 and 157,098.61

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Solution

The fourth proportional to 190,440.37, 285,669.65 and 157,098.61 is: 235,655.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,440.37 : 285,669.65 = 157,098.61 : x
  2. Step 2: Convert to fraction form
    190,440.37/285,669.65 = 157,098.61/x
  3. Step 3: Cross multiply
    190,440.37x = 285,669.65 × 157,098.61
  4. Step 4: Simplify right side
    190,440.37x = 44,878,304,934.19
  5. Step 5: Solve for x
    x = 44,878,304,934.19/190,440.37
  6. Step 6: Final answer
    x = 235,655.42

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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.