Home / 547,913.34-821,951.64-168,802.35

Finding the Fourth Proportional to 547,913.34, 821,951.64 and 168,802.35

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Solution

The fourth proportional to 547,913.34, 821,951.64 and 168,802.35 is: 253,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,913.34 : 821,951.64 = 168,802.35 : x
  2. Step 2: Convert to fraction form
    547,913.34/821,951.64 = 168,802.35/x
  3. Step 3: Cross multiply
    547,913.34x = 821,951.64 × 168,802.35
  4. Step 4: Simplify right side
    547,913.34x = 138,747,368,418.35
  5. Step 5: Solve for x
    x = 138,747,368,418.35/547,913.34
  6. Step 6: Final answer
    x = 253,228.67

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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.