Home / 457,363.06-686,153.58-157,846.22

Finding the Fourth Proportional to 457,363.06, 686,153.58 and 157,846.22

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Solution

The fourth proportional to 457,363.06, 686,153.58 and 157,846.22 is: 236,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,363.06 : 686,153.58 = 157,846.22 : x
  2. Step 2: Convert to fraction form
    457,363.06/686,153.58 = 157,846.22/x
  3. Step 3: Cross multiply
    457,363.06x = 686,153.58 × 157,846.22
  4. Step 4: Simplify right side
    457,363.06x = 108,306,748,380.74
  5. Step 5: Solve for x
    x = 108,306,748,380.74/457,363.06
  6. Step 6: Final answer
    x = 236,806.94

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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.