Home / 152,040.30-228,038.85-52,205.10

Finding the Fourth Proportional to 152,040.30, 228,038.85 and 52,205.10

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Solution

The fourth proportional to 152,040.30, 228,038.85 and 52,205.10 is: 78,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,040.30 : 228,038.85 = 52,205.10 : x
  2. Step 2: Convert to fraction form
    152,040.30/228,038.85 = 52,205.10/x
  3. Step 3: Cross multiply
    152,040.30x = 228,038.85 × 52,205.10
  4. Step 4: Simplify right side
    152,040.30x = 11,904,790,968.14
  5. Step 5: Solve for x
    x = 11,904,790,968.14/152,040.30
  6. Step 6: Final answer
    x = 78,300.23

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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.