Home / 186,905.55-257,920.65-106,325.49

Finding the Fourth Proportional to 186,905.55, 257,920.65 and 106,325.49

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Solution

The fourth proportional to 186,905.55, 257,920.65 and 106,325.49 is: 146,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,905.55 : 257,920.65 = 106,325.49 : x
  2. Step 2: Convert to fraction form
    186,905.55/257,920.65 = 106,325.49/x
  3. Step 3: Cross multiply
    186,905.55x = 257,920.65 × 106,325.49
  4. Step 4: Simplify right side
    186,905.55x = 27,423,539,492.37
  5. Step 5: Solve for x
    x = 27,423,539,492.37/186,905.55
  6. Step 6: Final answer
    x = 146,724.05

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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.