Home / 171,200.16-256,661.06-71,434.67

Finding the Fourth Proportional to 171,200.16, 256,661.06 and 71,434.67

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Solution

The fourth proportional to 171,200.16, 256,661.06 and 71,434.67 is: 107,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,200.16 : 256,661.06 = 71,434.67 : x
  2. Step 2: Convert to fraction form
    171,200.16/256,661.06 = 71,434.67/x
  3. Step 3: Cross multiply
    171,200.16x = 256,661.06 × 71,434.67
  4. Step 4: Simplify right side
    171,200.16x = 18,334,496,482.47
  5. Step 5: Solve for x
    x = 18,334,496,482.47/171,200.16
  6. Step 6: Final answer
    x = 107,093.92

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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.