Home / 256,973.29-385,538.81-114,938.07

Finding the Fourth Proportional to 256,973.29, 385,538.81 and 114,938.07

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Solution

The fourth proportional to 256,973.29, 385,538.81 and 114,938.07 is: 172,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,973.29 : 385,538.81 = 114,938.07 : x
  2. Step 2: Convert to fraction form
    256,973.29/385,538.81 = 114,938.07/x
  3. Step 3: Cross multiply
    256,973.29x = 385,538.81 × 114,938.07
  4. Step 4: Simplify right side
    256,973.29x = 44,313,086,156.81
  5. Step 5: Solve for x
    x = 44,313,086,156.81/256,973.29
  6. Step 6: Final answer
    x = 172,442.39

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1.5x scale

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.