Home / 190,116.81-285,153.33-49,886.37

Finding the Fourth Proportional to 190,116.81, 285,153.33 and 49,886.37

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Solution

The fourth proportional to 190,116.81, 285,153.33 and 49,886.37 is: 74,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,116.81 : 285,153.33 = 49,886.37 : x
  2. Step 2: Convert to fraction form
    190,116.81/285,153.33 = 49,886.37/x
  3. Step 3: Cross multiply
    190,116.81x = 285,153.33 × 49,886.37
  4. Step 4: Simplify right side
    190,116.81x = 14,225,264,527.11
  5. Step 5: Solve for x
    x = 14,225,264,527.11/190,116.81
  6. Step 6: Final answer
    x = 74,823.81

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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.