Home / 186,149.04-256,891.44-105,579.84

Finding the Fourth Proportional to 186,149.04, 256,891.44 and 105,579.84

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Solution

The fourth proportional to 186,149.04, 256,891.44 and 105,579.84 is: 145,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,149.04 : 256,891.44 = 105,579.84 : x
  2. Step 2: Convert to fraction form
    186,149.04/256,891.44 = 105,579.84/x
  3. Step 3: Cross multiply
    186,149.04x = 256,891.44 × 105,579.84
  4. Step 4: Simplify right side
    186,149.04x = 27,122,557,132.57
  5. Step 5: Solve for x
    x = 27,122,557,132.57/186,149.04
  6. Step 6: Final answer
    x = 145,703.45

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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.