Home / 190,811.53-286,348.53-66,152.53

Finding the Fourth Proportional to 190,811.53, 286,348.53 and 66,152.53

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Solution

The fourth proportional to 190,811.53, 286,348.53 and 66,152.53 is: 99,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,811.53 : 286,348.53 = 66,152.53 : x
  2. Step 2: Convert to fraction form
    190,811.53/286,348.53 = 66,152.53/x
  3. Step 3: Cross multiply
    190,811.53x = 286,348.53 × 66,152.53
  4. Step 4: Simplify right side
    190,811.53x = 18,942,680,327.29
  5. Step 5: Solve for x
    x = 18,942,680,327.29/190,811.53
  6. Step 6: Final answer
    x = 99,274.30

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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.