Home / 171,624.20-257,376.57-70,393.50

Finding the Fourth Proportional to 171,624.20, 257,376.57 and 70,393.50

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Solution

The fourth proportional to 171,624.20, 257,376.57 and 70,393.50 is: 105,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,624.20 : 257,376.57 = 70,393.50 : x
  2. Step 2: Convert to fraction form
    171,624.20/257,376.57 = 70,393.50/x
  3. Step 3: Cross multiply
    171,624.20x = 257,376.57 × 70,393.50
  4. Step 4: Simplify right side
    171,624.20x = 18,117,637,930.89
  5. Step 5: Solve for x
    x = 18,117,637,930.89/171,624.20
  6. Step 6: Final answer
    x = 105,565.75

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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.