Home / 186,278.76-256,574.97-143,175.83

Finding the Fourth Proportional to 186,278.76, 256,574.97 and 143,175.83

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Solution

The fourth proportional to 186,278.76, 256,574.97 and 143,175.83 is: 197,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,278.76 : 256,574.97 = 143,175.83 : x
  2. Step 2: Convert to fraction form
    186,278.76/256,574.97 = 143,175.83/x
  3. Step 3: Cross multiply
    186,278.76x = 256,574.97 × 143,175.83
  4. Step 4: Simplify right side
    186,278.76x = 36,735,333,004.10
  5. Step 5: Solve for x
    x = 36,735,333,004.10/186,278.76
  6. Step 6: Final answer
    x = 197,206.24

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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.