Home / 127,376.93-191,069.65-57,256.45

Finding the Fourth Proportional to 127,376.93, 191,069.65 and 57,256.45

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Solution

The fourth proportional to 127,376.93, 191,069.65 and 57,256.45 is: 85,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,376.93 : 191,069.65 = 57,256.45 : x
  2. Step 2: Convert to fraction form
    127,376.93/191,069.65 = 57,256.45/x
  3. Step 3: Cross multiply
    127,376.93x = 191,069.65 × 57,256.45
  4. Step 4: Simplify right side
    127,376.93x = 10,939,969,861.74
  5. Step 5: Solve for x
    x = 10,939,969,861.74/127,376.93
  6. Step 6: Final answer
    x = 85,886.59

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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.