Home / 127,569.04-191,396.81-56,481.89

Finding the Fourth Proportional to 127,569.04, 191,396.81 and 56,481.89

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Solution

The fourth proportional to 127,569.04, 191,396.81 and 56,481.89 is: 84,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,569.04 : 191,396.81 = 56,481.89 : x
  2. Step 2: Convert to fraction form
    127,569.04/191,396.81 = 56,481.89/x
  3. Step 3: Cross multiply
    127,569.04x = 191,396.81 × 56,481.89
  4. Step 4: Simplify right side
    127,569.04x = 10,810,453,829.60
  5. Step 5: Solve for x
    x = 10,810,453,829.60/127,569.04
  6. Step 6: Final answer
    x = 84,741.98

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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.