Home / 186,039.80-256,731.90-101,159

Finding the Fourth Proportional to 186,039.80, 256,731.90 and 101,159

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Solution

The fourth proportional to 186,039.80, 256,731.90 and 101,159 is: 139,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,039.80 : 256,731.90 = 101,159 : x
  2. Step 2: Convert to fraction form
    186,039.80/256,731.90 = 101,159/x
  3. Step 3: Cross multiply
    186,039.80x = 256,731.90 × 101,159
  4. Step 4: Simplify right side
    186,039.80x = 25,970,742,272.10
  5. Step 5: Solve for x
    x = 25,970,742,272.10/186,039.80
  6. Step 6: Final answer
    x = 139,597.78

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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.