Home / 127,442.94-191,152.04-38,697.21

Finding the Fourth Proportional to 127,442.94, 191,152.04 and 38,697.21

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Solution

The fourth proportional to 127,442.94, 191,152.04 and 38,697.21 is: 58,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,442.94 : 191,152.04 = 38,697.21 : x
  2. Step 2: Convert to fraction form
    127,442.94/191,152.04 = 38,697.21/x
  3. Step 3: Cross multiply
    127,442.94x = 191,152.04 × 38,697.21
  4. Step 4: Simplify right side
    127,442.94x = 7,397,050,440.32
  5. Step 5: Solve for x
    x = 7,397,050,440.32/127,442.94
  6. Step 6: Final answer
    x = 58,042.06

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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.