Home / 423,223.36-634,832.84-149,872.34

Finding the Fourth Proportional to 423,223.36, 634,832.84 and 149,872.34

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Solution

The fourth proportional to 423,223.36, 634,832.84 and 149,872.34 is: 224,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,223.36 : 634,832.84 = 149,872.34 : x
  2. Step 2: Convert to fraction form
    423,223.36/634,832.84 = 149,872.34/x
  3. Step 3: Cross multiply
    423,223.36x = 634,832.84 × 149,872.34
  4. Step 4: Simplify right side
    423,223.36x = 95,143,885,201.41
  5. Step 5: Solve for x
    x = 95,143,885,201.41/423,223.36
  6. Step 6: Final answer
    x = 224,807.74

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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.