Home / 459,915.33-689,984.07-144,372.24

Finding the Fourth Proportional to 459,915.33, 689,984.07 and 144,372.24

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Solution

The fourth proportional to 459,915.33, 689,984.07 and 144,372.24 is: 216,593.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,915.33 : 689,984.07 = 144,372.24 : x
  2. Step 2: Convert to fraction form
    459,915.33/689,984.07 = 144,372.24/x
  3. Step 3: Cross multiply
    459,915.33x = 689,984.07 × 144,372.24
  4. Step 4: Simplify right side
    459,915.33x = 99,614,545,750.22
  5. Step 5: Solve for x
    x = 99,614,545,750.22/459,915.33
  6. Step 6: Final answer
    x = 216,593.23

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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.