Home / 186,445.70-257,282.94-109,947.25

Finding the Fourth Proportional to 186,445.70, 257,282.94 and 109,947.25

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Solution

The fourth proportional to 186,445.70, 257,282.94 and 109,947.25 is: 151,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,445.70 : 257,282.94 = 109,947.25 : x
  2. Step 2: Convert to fraction form
    186,445.70/257,282.94 = 109,947.25/x
  3. Step 3: Cross multiply
    186,445.70x = 257,282.94 × 109,947.25
  4. Step 4: Simplify right side
    186,445.70x = 28,287,552,458.82
  5. Step 5: Solve for x
    x = 28,287,552,458.82/186,445.70
  6. Step 6: Final answer
    x = 151,720.06

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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.