Home / 256,973.79-385,539.55-114,938.57

Finding the Fourth Proportional to 256,973.79, 385,539.55 and 114,938.57

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Solution

The fourth proportional to 256,973.79, 385,539.55 and 114,938.57 is: 172,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,973.79 : 385,539.55 = 114,938.57 : x
  2. Step 2: Convert to fraction form
    256,973.79/385,539.55 = 114,938.57/x
  3. Step 3: Cross multiply
    256,973.79x = 385,539.55 × 114,938.57
  4. Step 4: Simplify right side
    256,973.79x = 44,313,364,555.44
  5. Step 5: Solve for x
    x = 44,313,364,555.44/256,973.79
  6. Step 6: Final answer
    x = 172,443.13

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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.