Home / 190,712.16-286,003.44-66,024

Finding the Fourth Proportional to 190,712.16, 286,003.44 and 66,024

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Solution

The fourth proportional to 190,712.16, 286,003.44 and 66,024 is: 99,013.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,712.16 : 286,003.44 = 66,024 : x
  2. Step 2: Convert to fraction form
    190,712.16/286,003.44 = 66,024/x
  3. Step 3: Cross multiply
    190,712.16x = 286,003.44 × 66,024
  4. Step 4: Simplify right side
    190,712.16x = 18,883,091,122.56
  5. Step 5: Solve for x
    x = 18,883,091,122.56/190,712.16
  6. Step 6: Final answer
    x = 99,013.57

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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.