Home / 186,550.09-257,448.25-104,904.04

Finding the Fourth Proportional to 186,550.09, 257,448.25 and 104,904.04

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Solution

The fourth proportional to 186,550.09, 257,448.25 and 104,904.04 is: 144,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,550.09 : 257,448.25 = 104,904.04 : x
  2. Step 2: Convert to fraction form
    186,550.09/257,448.25 = 104,904.04/x
  3. Step 3: Cross multiply
    186,550.09x = 257,448.25 × 104,904.04
  4. Step 4: Simplify right side
    186,550.09x = 27,007,361,995.71
  5. Step 5: Solve for x
    x = 27,007,361,995.71/186,550.09
  6. Step 6: Final answer
    x = 144,772.71

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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.