Home / 283,013.28-390,522.75-191,331.93

Finding the Fourth Proportional to 283,013.28, 390,522.75 and 191,331.93

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Solution

The fourth proportional to 283,013.28, 390,522.75 and 191,331.93 is: 264,014.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,013.28 : 390,522.75 = 191,331.93 : x
  2. Step 2: Convert to fraction form
    283,013.28/390,522.75 = 191,331.93/x
  3. Step 3: Cross multiply
    283,013.28x = 390,522.75 × 191,331.93
  4. Step 4: Simplify right side
    283,013.28x = 74,719,471,466.41
  5. Step 5: Solve for x
    x = 74,719,471,466.41/283,013.28
  6. Step 6: Final answer
    x = 264,014.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.