Home / 186,276.08-257,067.60-105,707

Finding the Fourth Proportional to 186,276.08, 257,067.60 and 105,707

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Solution

The fourth proportional to 186,276.08, 257,067.60 and 105,707 is: 145,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,276.08 : 257,067.60 = 105,707 : x
  2. Step 2: Convert to fraction form
    186,276.08/257,067.60 = 105,707/x
  3. Step 3: Cross multiply
    186,276.08x = 257,067.60 × 105,707
  4. Step 4: Simplify right side
    186,276.08x = 27,173,844,793.20
  5. Step 5: Solve for x
    x = 27,173,844,793.20/186,276.08
  6. Step 6: Final answer
    x = 145,879.41

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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.