Home / 304,749.18-457,118.91-83,133.18

Finding the Fourth Proportional to 304,749.18, 457,118.91 and 83,133.18

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Solution

The fourth proportional to 304,749.18, 457,118.91 and 83,133.18 is: 124,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,749.18 : 457,118.91 = 83,133.18 : x
  2. Step 2: Convert to fraction form
    304,749.18/457,118.91 = 83,133.18/x
  3. Step 3: Cross multiply
    304,749.18x = 457,118.91 × 83,133.18
  4. Step 4: Simplify right side
    304,749.18x = 38,001,748,626.43
  5. Step 5: Solve for x
    x = 38,001,748,626.43/304,749.18
  6. Step 6: Final answer
    x = 124,698.44

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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.