Home / 186,835.20-258,330.24-163,215.60

Finding the Fourth Proportional to 186,835.20, 258,330.24 and 163,215.60

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Solution

The fourth proportional to 186,835.20, 258,330.24 and 163,215.60 is: 225,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,835.20 : 258,330.24 = 163,215.60 : x
  2. Step 2: Convert to fraction form
    186,835.20/258,330.24 = 163,215.60/x
  3. Step 3: Cross multiply
    186,835.20x = 258,330.24 × 163,215.60
  4. Step 4: Simplify right side
    186,835.20x = 42,163,525,119.74
  5. Step 5: Solve for x
    x = 42,163,525,119.74/186,835.20
  6. Step 6: Final answer
    x = 225,672.28

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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.