Home / 171,623.40-257,435.10-101,581.80

Finding the Fourth Proportional to 171,623.40, 257,435.10 and 101,581.80

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Solution

The fourth proportional to 171,623.40, 257,435.10 and 101,581.80 is: 152,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,623.40 : 257,435.10 = 101,581.80 : x
  2. Step 2: Convert to fraction form
    171,623.40/257,435.10 = 101,581.80/x
  3. Step 3: Cross multiply
    171,623.40x = 257,435.10 × 101,581.80
  4. Step 4: Simplify right side
    171,623.40x = 26,150,720,841.18
  5. Step 5: Solve for x
    x = 26,150,720,841.18/171,623.40
  6. Step 6: Final answer
    x = 152,372.70

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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.