Home / 127,926.91-191,890.80-39,180.01

Finding the Fourth Proportional to 127,926.91, 191,890.80 and 39,180.01

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Solution

The fourth proportional to 127,926.91, 191,890.80 and 39,180.01 is: 58,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,926.91 : 191,890.80 = 39,180.01 : x
  2. Step 2: Convert to fraction form
    127,926.91/191,890.80 = 39,180.01/x
  3. Step 3: Cross multiply
    127,926.91x = 191,890.80 × 39,180.01
  4. Step 4: Simplify right side
    127,926.91x = 7,518,283,462.91
  5. Step 5: Solve for x
    x = 7,518,283,462.91/127,926.91
  6. Step 6: Final answer
    x = 58,770.15

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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.