Home / 219,698.90-303,165.60-127,835.18

Finding the Fourth Proportional to 219,698.90, 303,165.60 and 127,835.18

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Solution

The fourth proportional to 219,698.90, 303,165.60 and 127,835.18 is: 176,401.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,698.90 : 303,165.60 = 127,835.18 : x
  2. Step 2: Convert to fraction form
    219,698.90/303,165.60 = 127,835.18/x
  3. Step 3: Cross multiply
    219,698.90x = 303,165.60 × 127,835.18
  4. Step 4: Simplify right side
    219,698.90x = 38,755,227,529.98
  5. Step 5: Solve for x
    x = 38,755,227,529.98/219,698.90
  6. Step 6: Final answer
    x = 176,401.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.