Home / 185,616.43-256,154.51-105,043.93

Finding the Fourth Proportional to 185,616.43, 256,154.51 and 105,043.93

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Solution

The fourth proportional to 185,616.43, 256,154.51 and 105,043.93 is: 144,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,616.43 : 256,154.51 = 105,043.93 : x
  2. Step 2: Convert to fraction form
    185,616.43/256,154.51 = 105,043.93/x
  3. Step 3: Cross multiply
    185,616.43x = 256,154.51 × 105,043.93
  4. Step 4: Simplify right side
    185,616.43x = 26,907,476,417.62
  5. Step 5: Solve for x
    x = 26,907,476,417.62/185,616.43
  6. Step 6: Final answer
    x = 144,962.79

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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.