Home / 186,308.07-257,138.65-109,822.67

Finding the Fourth Proportional to 186,308.07, 257,138.65 and 109,822.67

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Solution

The fourth proportional to 186,308.07, 257,138.65 and 109,822.67 is: 151,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,308.07 : 257,138.65 = 109,822.67 : x
  2. Step 2: Convert to fraction form
    186,308.07/257,138.65 = 109,822.67/x
  3. Step 3: Cross multiply
    186,308.07x = 257,138.65 × 109,822.67
  4. Step 4: Simplify right side
    186,308.07x = 28,239,652,919.05
  5. Step 5: Solve for x
    x = 28,239,652,919.05/186,308.07
  6. Step 6: Final answer
    x = 151,575.04

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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.