Home / 186,513.16-257,380.12-105,940.44

Finding the Fourth Proportional to 186,513.16, 257,380.12 and 105,940.44

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Solution

The fourth proportional to 186,513.16, 257,380.12 and 105,940.44 is: 146,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,513.16 : 257,380.12 = 105,940.44 : x
  2. Step 2: Convert to fraction form
    186,513.16/257,380.12 = 105,940.44/x
  3. Step 3: Cross multiply
    186,513.16x = 257,380.12 × 105,940.44
  4. Step 4: Simplify right side
    186,513.16x = 27,266,963,160.05
  5. Step 5: Solve for x
    x = 27,266,963,160.05/186,513.16
  6. Step 6: Final answer
    x = 146,193.24

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1.5x scale

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.