Home / 127,445.04-191,004.03-52,617.78

Finding the Fourth Proportional to 127,445.04, 191,004.03 and 52,617.78

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Solution

The fourth proportional to 127,445.04, 191,004.03 and 52,617.78 is: 78,859.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.04 : 191,004.03 = 52,617.78 : x
  2. Step 2: Convert to fraction form
    127,445.04/191,004.03 = 52,617.78/x
  3. Step 3: Cross multiply
    127,445.04x = 191,004.03 × 52,617.78
  4. Step 4: Simplify right side
    127,445.04x = 10,050,208,029.65
  5. Step 5: Solve for x
    x = 10,050,208,029.65/127,445.04
  6. Step 6: Final answer
    x = 78,859.15

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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.