Home / 152,883.80-229,131.30-136,165.40

Finding the Fourth Proportional to 152,883.80, 229,131.30 and 136,165.40

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Solution

The fourth proportional to 152,883.80, 229,131.30 and 136,165.40 is: 204,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,883.80 : 229,131.30 = 136,165.40 : x
  2. Step 2: Convert to fraction form
    152,883.80/229,131.30 = 136,165.40/x
  3. Step 3: Cross multiply
    152,883.80x = 229,131.30 × 136,165.40
  4. Step 4: Simplify right side
    152,883.80x = 31,199,755,117.02
  5. Step 5: Solve for x
    x = 31,199,755,117.02/152,883.80
  6. Step 6: Final answer
    x = 204,074.96

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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.