Home / 455,717.46-683,672.98-156,117.56

Finding the Fourth Proportional to 455,717.46, 683,672.98 and 156,117.56

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Solution

The fourth proportional to 455,717.46, 683,672.98 and 156,117.56 is: 234,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,717.46 : 683,672.98 = 156,117.56 : x
  2. Step 2: Convert to fraction form
    455,717.46/683,672.98 = 156,117.56/x
  3. Step 3: Cross multiply
    455,717.46x = 683,672.98 × 156,117.56
  4. Step 4: Simplify right side
    455,717.46x = 106,733,357,475.53
  5. Step 5: Solve for x
    x = 106,733,357,475.53/455,717.46
  6. Step 6: Final answer
    x = 234,209.50

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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.