Home / 127,396.04-191,117.04-52,475.28

Finding the Fourth Proportional to 127,396.04, 191,117.04 and 52,475.28

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Solution

The fourth proportional to 127,396.04, 191,117.04 and 52,475.28 is: 78,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,396.04 : 191,117.04 = 52,475.28 : x
  2. Step 2: Convert to fraction form
    127,396.04/191,117.04 = 52,475.28/x
  3. Step 3: Cross multiply
    127,396.04x = 191,117.04 × 52,475.28
  4. Step 4: Simplify right side
    127,396.04x = 10,028,920,186.77
  5. Step 5: Solve for x
    x = 10,028,920,186.77/127,396.04
  6. Step 6: Final answer
    x = 78,722.39

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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.