Home / 459,732.72-689,596.80-118,175.76

Finding the Fourth Proportional to 459,732.72, 689,596.80 and 118,175.76

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Solution

The fourth proportional to 459,732.72, 689,596.80 and 118,175.76 is: 177,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,732.72 : 689,596.80 = 118,175.76 : x
  2. Step 2: Convert to fraction form
    459,732.72/689,596.80 = 118,175.76/x
  3. Step 3: Cross multiply
    459,732.72x = 689,596.80 × 118,175.76
  4. Step 4: Simplify right side
    459,732.72x = 81,493,625,933.57
  5. Step 5: Solve for x
    x = 81,493,625,933.57/459,732.72
  6. Step 6: Final answer
    x = 177,263.05

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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.