Home / 186,078.93-256,786.52-101,194.17

Finding the Fourth Proportional to 186,078.93, 256,786.52 and 101,194.17

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Solution

The fourth proportional to 186,078.93, 256,786.52 and 101,194.17 is: 139,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,078.93 : 256,786.52 = 101,194.17 : x
  2. Step 2: Convert to fraction form
    186,078.93/256,786.52 = 101,194.17/x
  3. Step 3: Cross multiply
    186,078.93x = 256,786.52 × 101,194.17
  4. Step 4: Simplify right side
    186,078.93x = 25,985,298,252.62
  5. Step 5: Solve for x
    x = 25,985,298,252.62/186,078.93
  6. Step 6: Final answer
    x = 139,646.64

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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.