Home / 186,690.54-257,557.67-108,056.77

Finding the Fourth Proportional to 186,690.54, 257,557.67 and 108,056.77

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Solution

The fourth proportional to 186,690.54, 257,557.67 and 108,056.77 is: 149,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,690.54 : 257,557.67 = 108,056.77 : x
  2. Step 2: Convert to fraction form
    186,690.54/257,557.67 = 108,056.77/x
  3. Step 3: Cross multiply
    186,690.54x = 257,557.67 × 108,056.77
  4. Step 4: Simplify right side
    186,690.54x = 27,830,848,621.14
  5. Step 5: Solve for x
    x = 27,830,848,621.14/186,690.54
  6. Step 6: Final answer
    x = 149,074.77

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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.