Home / 171,444.30-257,166.45-53,114.70

Finding the Fourth Proportional to 171,444.30, 257,166.45 and 53,114.70

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Solution

The fourth proportional to 171,444.30, 257,166.45 and 53,114.70 is: 79,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,444.30 : 257,166.45 = 53,114.70 : x
  2. Step 2: Convert to fraction form
    171,444.30/257,166.45 = 53,114.70/x
  3. Step 3: Cross multiply
    171,444.30x = 257,166.45 × 53,114.70
  4. Step 4: Simplify right side
    171,444.30x = 13,659,318,841.82
  5. Step 5: Solve for x
    x = 13,659,318,841.82/171,444.30
  6. Step 6: Final answer
    x = 79,672.05

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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.