Home / 195,421.40-293,132.10-171,315.80

Finding the Fourth Proportional to 195,421.40, 293,132.10 and 171,315.80

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Solution

The fourth proportional to 195,421.40, 293,132.10 and 171,315.80 is: 256,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,421.40 : 293,132.10 = 171,315.80 : x
  2. Step 2: Convert to fraction form
    195,421.40/293,132.10 = 171,315.80/x
  3. Step 3: Cross multiply
    195,421.40x = 293,132.10 × 171,315.80
  4. Step 4: Simplify right side
    195,421.40x = 50,218,160,217.18
  5. Step 5: Solve for x
    x = 50,218,160,217.18/195,421.40
  6. Step 6: Final answer
    x = 256,973.70

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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.