Home / 171,683.10-257,563.80-53,366.40

Finding the Fourth Proportional to 171,683.10, 257,563.80 and 53,366.40

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Solution

The fourth proportional to 171,683.10, 257,563.80 and 53,366.40 is: 80,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,683.10 : 257,563.80 = 53,366.40 : x
  2. Step 2: Convert to fraction form
    171,683.10/257,563.80 = 53,366.40/x
  3. Step 3: Cross multiply
    171,683.10x = 257,563.80 × 53,366.40
  4. Step 4: Simplify right side
    171,683.10x = 13,745,252,776.32
  5. Step 5: Solve for x
    x = 13,745,252,776.32/171,683.10
  6. Step 6: Final answer
    x = 80,061.77

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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.