Home / 436,725.75-655,088.94-121,182.96

Finding the Fourth Proportional to 436,725.75, 655,088.94 and 121,182.96

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Solution

The fourth proportional to 436,725.75, 655,088.94 and 121,182.96 is: 181,774.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,725.75 : 655,088.94 = 121,182.96 : x
  2. Step 2: Convert to fraction form
    436,725.75/655,088.94 = 121,182.96/x
  3. Step 3: Cross multiply
    436,725.75x = 655,088.94 × 121,182.96
  4. Step 4: Simplify right side
    436,725.75x = 79,385,616,812.46
  5. Step 5: Solve for x
    x = 79,385,616,812.46/436,725.75
  6. Step 6: Final answer
    x = 181,774.53

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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.