Home / 186,375.36-257,198.40-101,490.60

Finding the Fourth Proportional to 186,375.36, 257,198.40 and 101,490.60

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Solution

The fourth proportional to 186,375.36, 257,198.40 and 101,490.60 is: 140,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,375.36 : 257,198.40 = 101,490.60 : x
  2. Step 2: Convert to fraction form
    186,375.36/257,198.40 = 101,490.60/x
  3. Step 3: Cross multiply
    186,375.36x = 257,198.40 × 101,490.60
  4. Step 4: Simplify right side
    186,375.36x = 26,103,219,935.04
  5. Step 5: Solve for x
    x = 26,103,219,935.04/186,375.36
  6. Step 6: Final answer
    x = 140,057.25

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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.