Home / 186,341.60-256,661.52-143,238.56

Finding the Fourth Proportional to 186,341.60, 256,661.52 and 143,238.56

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Solution

The fourth proportional to 186,341.60, 256,661.52 and 143,238.56 is: 197,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,341.60 : 256,661.52 = 143,238.56 : x
  2. Step 2: Convert to fraction form
    186,341.60/256,661.52 = 143,238.56/x
  3. Step 3: Cross multiply
    186,341.60x = 256,661.52 × 143,238.56
  4. Step 4: Simplify right side
    186,341.60x = 36,763,826,532.21
  5. Step 5: Solve for x
    x = 36,763,826,532.21/186,341.60
  6. Step 6: Final answer
    x = 197,292.64

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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.