Home / 186,285.36-279,430.66-53,165.64

Finding the Fourth Proportional to 186,285.36, 279,430.66 and 53,165.64

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Solution

The fourth proportional to 186,285.36, 279,430.66 and 53,165.64 is: 79,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,285.36 : 279,430.66 = 53,165.64 : x
  2. Step 2: Convert to fraction form
    186,285.36/279,430.66 = 53,165.64/x
  3. Step 3: Cross multiply
    186,285.36x = 279,430.66 × 53,165.64
  4. Step 4: Simplify right side
    186,285.36x = 14,856,109,874.52
  5. Step 5: Solve for x
    x = 14,856,109,874.52/186,285.36
  6. Step 6: Final answer
    x = 79,749.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.