Home / 186,228.64-279,170.16-84,950.56

Finding the Fourth Proportional to 186,228.64, 279,170.16 and 84,950.56

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Solution

The fourth proportional to 186,228.64, 279,170.16 and 84,950.56 is: 127,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,228.64 : 279,170.16 = 84,950.56 : x
  2. Step 2: Convert to fraction form
    186,228.64/279,170.16 = 84,950.56/x
  3. Step 3: Cross multiply
    186,228.64x = 279,170.16 × 84,950.56
  4. Step 4: Simplify right side
    186,228.64x = 23,715,661,427.29
  5. Step 5: Solve for x
    x = 23,715,661,427.29/186,228.64
  6. Step 6: Final answer
    x = 127,347.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.