Home / 186,439.16-279,550.74-127,346.24

Finding the Fourth Proportional to 186,439.16, 279,550.74 and 127,346.24

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Solution

The fourth proportional to 186,439.16, 279,550.74 and 127,346.24 is: 190,945.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,439.16 : 279,550.74 = 127,346.24 : x
  2. Step 2: Convert to fraction form
    186,439.16/279,550.74 = 127,346.24/x
  3. Step 3: Cross multiply
    186,439.16x = 279,550.74 × 127,346.24
  4. Step 4: Simplify right side
    186,439.16x = 35,599,735,628.22
  5. Step 5: Solve for x
    x = 35,599,735,628.22/186,439.16
  6. Step 6: Final answer
    x = 190,945.59

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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.