Home / 171,510.32-257,292.75-53,157.17

Finding the Fourth Proportional to 171,510.32, 257,292.75 and 53,157.17

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Solution

The fourth proportional to 171,510.32, 257,292.75 and 53,157.17 is: 79,744.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,510.32 : 257,292.75 = 53,157.17 : x
  2. Step 2: Convert to fraction form
    171,510.32/257,292.75 = 53,157.17/x
  3. Step 3: Cross multiply
    171,510.32x = 257,292.75 × 53,157.17
  4. Step 4: Simplify right side
    171,510.32x = 13,676,954,451.52
  5. Step 5: Solve for x
    x = 13,676,954,451.52/171,510.32
  6. Step 6: Final answer
    x = 79,744.21

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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.