Home / 186,202.88-256,961.18-101,320.55

Finding the Fourth Proportional to 186,202.88, 256,961.18 and 101,320.55

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Solution

The fourth proportional to 186,202.88, 256,961.18 and 101,320.55 is: 139,823.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,202.88 : 256,961.18 = 101,320.55 : x
  2. Step 2: Convert to fraction form
    186,202.88/256,961.18 = 101,320.55/x
  3. Step 3: Cross multiply
    186,202.88x = 256,961.18 × 101,320.55
  4. Step 4: Simplify right side
    186,202.88x = 26,035,447,054.74
  5. Step 5: Solve for x
    x = 26,035,447,054.74/186,202.88
  6. Step 6: Final answer
    x = 139,823.01

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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.