Home / 184,821.68-255,053.16-99,938.72

Finding the Fourth Proportional to 184,821.68, 255,053.16 and 99,938.72

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Solution

The fourth proportional to 184,821.68, 255,053.16 and 99,938.72 is: 137,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,821.68 : 255,053.16 = 99,938.72 : x
  2. Step 2: Convert to fraction form
    184,821.68/255,053.16 = 99,938.72/x
  3. Step 3: Cross multiply
    184,821.68x = 255,053.16 × 99,938.72
  4. Step 4: Simplify right side
    184,821.68x = 25,489,686,342.36
  5. Step 5: Solve for x
    x = 25,489,686,342.36/184,821.68
  6. Step 6: Final answer
    x = 137,915.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.