Home / 127,379.68-191,069.53-57,176.98

Finding the Fourth Proportional to 127,379.68, 191,069.53 and 57,176.98

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Solution

The fourth proportional to 127,379.68, 191,069.53 and 57,176.98 is: 85,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379.68 : 191,069.53 = 57,176.98 : x
  2. Step 2: Convert to fraction form
    127,379.68/191,069.53 = 57,176.98/x
  3. Step 3: Cross multiply
    127,379.68x = 191,069.53 × 57,176.98
  4. Step 4: Simplify right side
    127,379.68x = 10,924,778,695.42
  5. Step 5: Solve for x
    x = 10,924,778,695.42/127,379.68
  6. Step 6: Final answer
    x = 85,765.47

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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.