Home / 185,929.57-256,572.97-105,358.06

Finding the Fourth Proportional to 185,929.57, 256,572.97 and 105,358.06

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Solution

The fourth proportional to 185,929.57, 256,572.97 and 105,358.06 is: 145,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,929.57 : 256,572.97 = 105,358.06 : x
  2. Step 2: Convert to fraction form
    185,929.57/256,572.97 = 105,358.06/x
  3. Step 3: Cross multiply
    185,929.57x = 256,572.97 × 105,358.06
  4. Step 4: Simplify right side
    185,929.57x = 27,032,030,367.64
  5. Step 5: Solve for x
    x = 27,032,030,367.64/185,929.57
  6. Step 6: Final answer
    x = 145,388.55

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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.