Home / 152,285.84-228,457.90-47,086.28

Finding the Fourth Proportional to 152,285.84, 228,457.90 and 47,086.28

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Solution

The fourth proportional to 152,285.84, 228,457.90 and 47,086.28 is: 70,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,285.84 : 228,457.90 = 47,086.28 : x
  2. Step 2: Convert to fraction form
    152,285.84/228,457.90 = 47,086.28/x
  3. Step 3: Cross multiply
    152,285.84x = 228,457.90 × 47,086.28
  4. Step 4: Simplify right side
    152,285.84x = 10,757,232,647.61
  5. Step 5: Solve for x
    x = 10,757,232,647.61/152,285.84
  6. Step 6: Final answer
    x = 70,638.43

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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.