Home / 186,048.37-256,725.36-105,459.85

Finding the Fourth Proportional to 186,048.37, 256,725.36 and 105,459.85

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Solution

The fourth proportional to 186,048.37, 256,725.36 and 105,459.85 is: 145,522.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,048.37 : 256,725.36 = 105,459.85 : x
  2. Step 2: Convert to fraction form
    186,048.37/256,725.36 = 105,459.85/x
  3. Step 3: Cross multiply
    186,048.37x = 256,725.36 × 105,459.85
  4. Step 4: Simplify right side
    186,048.37x = 27,074,217,956.80
  5. Step 5: Solve for x
    x = 27,074,217,956.80/186,048.37
  6. Step 6: Final answer
    x = 145,522.47

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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.