Home / 186,084.51-256,687.31-117,064.22

Finding the Fourth Proportional to 186,084.51, 256,687.31 and 117,064.22

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Solution

The fourth proportional to 186,084.51, 256,687.31 and 117,064.22 is: 161,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,084.51 : 256,687.31 = 117,064.22 : x
  2. Step 2: Convert to fraction form
    186,084.51/256,687.31 = 117,064.22/x
  3. Step 3: Cross multiply
    186,084.51x = 256,687.31 × 117,064.22
  4. Step 4: Simplify right side
    186,084.51x = 30,048,897,860.29
  5. Step 5: Solve for x
    x = 30,048,897,860.29/186,084.51
  6. Step 6: Final answer
    x = 161,479.85

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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.