Home / 219,675.48-303,133.32-127,811.76

Finding the Fourth Proportional to 219,675.48, 303,133.32 and 127,811.76

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Solution

The fourth proportional to 219,675.48, 303,133.32 and 127,811.76 is: 176,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,675.48 : 303,133.32 = 127,811.76 : x
  2. Step 2: Convert to fraction form
    219,675.48/303,133.32 = 127,811.76/x
  3. Step 3: Cross multiply
    219,675.48x = 303,133.32 × 127,811.76
  4. Step 4: Simplify right side
    219,675.48x = 38,744,003,143.84
  5. Step 5: Solve for x
    x = 38,744,003,143.84/219,675.48
  6. Step 6: Final answer
    x = 176,369.27

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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.