Home / 186,114.36-256,835.88-101,231.40

Finding the Fourth Proportional to 186,114.36, 256,835.88 and 101,231.40

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Solution

The fourth proportional to 186,114.36, 256,835.88 and 101,231.40 is: 139,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,114.36 : 256,835.88 = 101,231.40 : x
  2. Step 2: Convert to fraction form
    186,114.36/256,835.88 = 101,231.40/x
  3. Step 3: Cross multiply
    186,114.36x = 256,835.88 × 101,231.40
  4. Step 4: Simplify right side
    186,114.36x = 25,999,855,702.63
  5. Step 5: Solve for x
    x = 25,999,855,702.63/186,114.36
  6. Step 6: Final answer
    x = 139,698.28

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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.