Home / 186,624.32-280,009.44-129,623.36

Finding the Fourth Proportional to 186,624.32, 280,009.44 and 129,623.36

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Solution

The fourth proportional to 186,624.32, 280,009.44 and 129,623.36 is: 194,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624.32 : 280,009.44 = 129,623.36 : x
  2. Step 2: Convert to fraction form
    186,624.32/280,009.44 = 129,623.36/x
  3. Step 3: Cross multiply
    186,624.32x = 280,009.44 × 129,623.36
  4. Step 4: Simplify right side
    186,624.32x = 36,295,764,444.52
  5. Step 5: Solve for x
    x = 36,295,764,444.52/186,624.32
  6. Step 6: Final answer
    x = 194,485.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.