Home / 169,317.20-253,967.70-56,986.40

Finding the Fourth Proportional to 169,317.20, 253,967.70 and 56,986.40

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Solution

The fourth proportional to 169,317.20, 253,967.70 and 56,986.40 is: 85,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,317.20 : 253,967.70 = 56,986.40 : x
  2. Step 2: Convert to fraction form
    169,317.20/253,967.70 = 56,986.40/x
  3. Step 3: Cross multiply
    169,317.20x = 253,967.70 × 56,986.40
  4. Step 4: Simplify right side
    169,317.20x = 14,472,704,939.28
  5. Step 5: Solve for x
    x = 14,472,704,939.28/169,317.20
  6. Step 6: Final answer
    x = 85,476.87

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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.