Home / 436,795.47-655,196.85-121,276.98

Finding the Fourth Proportional to 436,795.47, 655,196.85 and 121,276.98

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Solution

The fourth proportional to 436,795.47, 655,196.85 and 121,276.98 is: 181,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,795.47 : 655,196.85 = 121,276.98 : x
  2. Step 2: Convert to fraction form
    436,795.47/655,196.85 = 121,276.98/x
  3. Step 3: Cross multiply
    436,795.47x = 655,196.85 × 121,276.98
  4. Step 4: Simplify right side
    436,795.47x = 79,460,295,273.51
  5. Step 5: Solve for x
    x = 79,460,295,273.51/436,795.47
  6. Step 6: Final answer
    x = 181,916.48

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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.