Home / 171,623.80-257,484.30-53,307.10

Finding the Fourth Proportional to 171,623.80, 257,484.30 and 53,307.10

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Solution

The fourth proportional to 171,623.80, 257,484.30 and 53,307.10 is: 79,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,623.80 : 257,484.30 = 53,307.10 : x
  2. Step 2: Convert to fraction form
    171,623.80/257,484.30 = 53,307.10/x
  3. Step 3: Cross multiply
    171,623.80x = 257,484.30 × 53,307.10
  4. Step 4: Simplify right side
    171,623.80x = 13,725,741,328.53
  5. Step 5: Solve for x
    x = 13,725,741,328.53/171,623.80
  6. Step 6: Final answer
    x = 79,975.75

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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.