Home / 152,733.08-210,771.77-84,749.78

Finding the Fourth Proportional to 152,733.08, 210,771.77 and 84,749.78

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Solution

The fourth proportional to 152,733.08, 210,771.77 and 84,749.78 is: 116,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,733.08 : 210,771.77 = 84,749.78 : x
  2. Step 2: Convert to fraction form
    152,733.08/210,771.77 = 84,749.78/x
  3. Step 3: Cross multiply
    152,733.08x = 210,771.77 × 84,749.78
  4. Step 4: Simplify right side
    152,733.08x = 17,862,859,660.10
  5. Step 5: Solve for x
    x = 17,862,859,660.10/152,733.08
  6. Step 6: Final answer
    x = 116,954.76

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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.