Home / 563,495.72-845,292.78-142,771.59

Finding the Fourth Proportional to 563,495.72, 845,292.78 and 142,771.59

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Solution

The fourth proportional to 563,495.72, 845,292.78 and 142,771.59 is: 214,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,495.72 : 845,292.78 = 142,771.59 : x
  2. Step 2: Convert to fraction form
    563,495.72/845,292.78 = 142,771.59/x
  3. Step 3: Cross multiply
    563,495.72x = 845,292.78 × 142,771.59
  4. Step 4: Simplify right side
    563,495.72x = 120,683,794,216.12
  5. Step 5: Solve for x
    x = 120,683,794,216.12/563,495.72
  6. Step 6: Final answer
    x = 214,169.85

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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.