Home / 385,060.07-577,606.50-118,814.69

Finding the Fourth Proportional to 385,060.07, 577,606.50 and 118,814.69

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Solution

The fourth proportional to 385,060.07, 577,606.50 and 118,814.69 is: 178,227.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,060.07 : 577,606.50 = 118,814.69 : x
  2. Step 2: Convert to fraction form
    385,060.07/577,606.50 = 118,814.69/x
  3. Step 3: Cross multiply
    385,060.07x = 577,606.50 × 118,814.69
  4. Step 4: Simplify right side
    385,060.07x = 68,628,137,239.49
  5. Step 5: Solve for x
    x = 68,628,137,239.49/385,060.07
  6. Step 6: Final answer
    x = 178,227.09

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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.